Quality Tour Guide Audio System & Wireless Tour Guide System Factory

When foreign customers are making a purchase, they often fall into the misconception that "the lighter, the better". However, this is not the case. A truly portable wireless tour guide system needs to balance four core aspects: weight, size, wearing method, and storage convenience, and also be adaptable to different usage scenarios - for instance, tour guides in scenic spots need to wear them for long periods, enterprises need to carry them in bulk for reception, and museums require them to be lightweight and not affect the visiting experience. Only by meeting these requirements can it truly be called "easy to carry".   4 core criteria for foreign customers to select portable wireless tour guide systems: Avoid purchasing pitfalls   1. Weight: Not the lighter, the better, but "no burden" is appropriate   For portability, weight is the foundation, but it's not the case that the lighter, the better. Many brands sacrifice the product's sound quality and battery life in pursuit of extreme lightness, even reducing the thickness of the casing, which leads to easy damage of the device. Foreign customers often need to use the tour guide system for long periods, such as tour guides leading groups for 8-10 hours a day, and tour guides need to repeatedly wear and store the devices when receiving multiple groups. At this time, the weight of the device is best controlled between 15-25 grams - this weight range can ensure the stability and durability of the device, and also allow for long-term wear without pressure, and it won't cause a significant burden when put in a pocket or worn on the ear.   It's worth noting that foreign customers often need to carry the tour guide systems in bulk, such as preparing devices for dozens of tourists at once in a scenic spot. At this time, the weight difference of a single device will directly affect the overall carrying burden. Therefore, in addition to the weight of a single device, the convenience of bulk storage should also be considered, a point often overlooked by many customers.   2.Wearing method: Adapt to scenarios, and being comfortable for long-term wear is more important   The wearing method of a wireless tour guide system directly determines the convenience of carrying and using. Currently, the common wearing methods on the market include ear-hook type, chest-hook type, and in-ear type. Among them, the ear-hook type is the most suitable for multiple scenarios abroad and is easy to carry - the ear-hook type does not require holding, does not occupy hand space, can be directly hung on the ear when wearing, and can be easily stored after removal, unlike the chest-hook type which requires a lanyard, or the in-ear type which is prone to loss or hygiene risks.   For foreign customers, the ear-hook type tour guide system also needs to meet two details: one is that it is not left or right ear specific, making it convenient for quick wearing and distribution; the other is that it adopts ergonomic design, fitting different ear shapes to avoid ear pain after long-term wear. Especially for tourists in foreign museums and scenic spots, who have different skin colors and ear shapes, a universal ear-hook design can fit more people and improve the user experience.   3.Convenient storage: No pressure when carrying in bulk, suitable for outdoor/exhibition hall scenarios   When foreign customers purchase tour guide systems, they often need to use them in bulk, so the convenience of storage is crucial. Many brands' tour guide systems, although lightweight individually, do not come with dedicated storage and charging equipment. When carrying them in bulk, separate boxes need to be prepared, which is not only cumbersome but also prone to device damage. A truly portable tour guide system must be equipped with a dedicated storage and charging integrated box, which can achieve bulk charging, facilitate storage and transportation, and even be directly taken on planes and trains without additional packaging.   In addition, the design of the storage box should also meet the needs of foreign customers, such as using an aluminum alloy shell, which is lightweight and durable, and can withstand collisions during outdoor transportation; having independent slots and shock-absorbing foam inside to ensure each device is stably placed and reduce vibration damage; and having a dedicated area for accessories to store charging cables, microphones, etc., to avoid loss.   4.Long battery life: Reduce charging frequency, avoid carrying charging equipment   Battery life, although not directly affecting "portability", indirectly determines the convenience of carrying. If the battery life of the audio guide is short, customers will need to charge it frequently, which means they have to carry charging equipment, increasing the burden of carrying. Especially in outdoor scenarios, where there is no power supply, insufficient battery life will directly affect usage. Therefore, a portable audio guide should have a battery life of at least 8 hours to meet the usage needs for a whole day, and it should also support batch fast charging to save charging time.   Yingmi 2 Portable Products: Adapted for Multiple Overseas Scenarios, 18 Years of Quality Accumulation   Yingmi has been deeply involved in the wireless audio guide industry for 18 years. Since its establishment in 2007, it has always focused on the pain points of overseas customers and launched multiple portable audio guides suitable for overseas scenarios. Among them, the E8 and R8 models, with their lightweight design, convenient storage, and stable performance, have become the preferred choices for overseas customers and are widely used in overseas museums, scenic spots, and corporate receptions. They have passed the EU CE and RoHS certifications and can be used directly without modification.   E8 Wireless Audio Guide: 16g One-piece Design, the First Choice for Team Tours   The E8 is Yingmi's classic portable model, specifically designed for overseas team tour scenarios. It perfectly meets the four core standards for portable purchases and is one of the most widely used models by overseas tour guides and corporate reception staff. This audio guide features a one-piece ear hook design, weighing only 16g, which is not much heavier than a coin. When worn on the ear, there is almost no sense of weight, and it can be easily stored in a shirt pocket or backpack without taking up much space, making it extremely convenient to carry.   In terms of wearing experience, the E8 does not distinguish between left and right ears, making it easy to distribute and wear quickly, and suitable for people with different ear shapes. Even if worn for a whole day, there will be no ear pain. The body adopts a simple and fashionable design with a strong sense of technology, suitable for high-end overseas exhibition halls and corporate receptions, enhancing the reception level. At the same time, the E8 uses SOC embedded integrated digital noise reduction technology, ensuring portability while maintaining clear sound quality and effectively filtering out external interference. Even in noisy overseas scenic spots and factories, the explanation can be clearly transmitted.   In terms of storage, the E8 comes with a dedicated aluminum alloy storage and charging box that can hold up to 50 devices. It is equipped with shock-absorbing foam and independent slots to protect the devices from damage. It also supports batch fast charging and uses an intelligent charging management mode, allowing for fast charging while extending battery life. The storage box is small in size and light in weight, making it convenient for overseas customers to carry in bulk, whether for leading tours in scenic spots, distributing in exhibition halls, or transporting across borders.   In terms of battery life, the E8's receiver can work for more than 8 hours, and the transmitter can work for at least 15 hours, meeting the usage needs for a whole day without the need for frequent charging, reducing the burden of carrying charging equipment. In addition, the E8 supports multi-channel adjustment, providing up to 200 independent channels, so multiple teams can use it simultaneously without interference, suitable for multi-team reception scenarios in large overseas scenic spots and exhibition halls.   R8 Wireless Audio Guide: Ergonomic Design, Suitable for Self-guided Tours and Small Teams   The R8 is Yingmi's portable model specifically designed for overseas self-guided tours and small teams. It has optimized the wearing experience based on the E8, making it more suitable for long-term use and batch distribution. This audio guide also uses an ear hook design, with a weight of less than 25g, balancing portability and durability. The body adopts an Ergo ergonomic non-in-ear design, not only solving the hygiene problem of wearing but also fitting different ear shapes, making it comfortable to wear for a long time, especially suitable for overseas museums, art galleries, and other places where people need to stay for a long time.   The R8 uses 4GFSK signal modulation technology to effectively prevent interference from mobile phones, radios, and other external signals. At the same time, it uses CRC digital encryption technology to ensure the security of the explanation channel, suitable for complex signal environments overseas. The built-in antenna in the body eliminates the inconvenience of carrying an external antenna and reduces the size of the body, making it more portable and easy to store. In terms of storage and battery life, the R8 and E8 share the same type of storage and charging integrated box, which is convenient for carrying and charging in bulk. The battery life can last for more than 8 hours, and it supports multi-language explanations, with 8 standard languages included. It can be customized according to the needs of foreign customers to solve the problem of a lack of small language interpretation talents, and meet the multi-language tour guide needs of foreign scenic spots and museums. Yingmi's confidence in portability: 18 years of dedication, suitable for every foreign scene   Many foreign customers ask why Yingmi's interpreters can be both portable and of high quality. In fact, there is no shortcut. It is the result of 18 years of dedication to technology and scene adaptation. Yingmi has 4 automated SMT production lines, and it fully controls the entire process from R&D, production, to testing and delivery. It can reduce the weight of the body while ensuring the stability and durability of the product. It has established a 7S quality control system, and every portable interpreter undergoes 5 rounds of testing to ensure that the weight, size, and wearing experience all meet the standards. There have been no accidents from 1 to 1 million units, ensuring quality.   In addition, Yingmi has accumulated rich experience in adapting to foreign scenes. Whether it is exhibition halls in Europe and America or scenic spots in Southeast Asia, it can optimize the portable design and performance of the product according to local frequency requirements and usage scenarios. The carrier frequency of the E8 and R8 is 860MHz-870MHz, which is a globally compliant frequency band, and it has passed the EU CE and RoHS certifications. There is no need for additional modifications after purchase, and it can be used directly after unpacking. At the same time, Yingmi has after-sales service points in many countries around the world, providing 24-hour technical support. Foreign customers can get timely solutions to problems related to storage and wearing, completely eliminating worries.   FAQ:   Q1: What are the specific weight and size of the E8 and R8, and will they take up much space when carried? A1: The E8 weighs only 16 grams, and the body size is small. The receiver size is 65×30×10mm (ear-hanging type), and the transmitter size is 105×70×20mm. It can be easily carried in a pocket or backpack without taking up much space. The R8 weighs no more than 25 grams, and the body size is similar to the E8. The ear-hanging design is more comfortable and fits the ears well. It is convenient to carry both individually and in bulk.   Q2: Can the storage boxes of the two products be carried on a plane? Is it convenient for bulk transportation? A2: Yes, they can be carried on a plane. The dedicated storage boxes of the two products are made of aluminum alloy, which is lightweight and meets aviation transportation standards. The maximum size is 47×35×15cm, and the weight is only 5kg. They can be carried as carry-on luggage or transported in bulk. The storage box is equipped with shock-absorbing foam to effectively protect the equipment, and there will be no damage during international transportation.   Q3: Will there be any discomfort after wearing for a long time? Can they be adapted to different ear shapes of foreign people? A3: There will be no discomfort. The E8 adopts an integrated ear-hanging design, and the R8 adopts an Ergo ergonomic non-in-ear design. Both products are not left or right ear-specific and can fit different ear shapes.

Whether it's the operators of museums, exhibitions, or scenic spots, the question they ask most frequently is always "Which brand has better stability?" After all, everyone knows that if the narrator system malfunctions - such as interference, disconnection, or sudden power failure - it not only significantly reduces the visitor experience but also lowers the overall reception level, which is not worth it. There are many brands available on the market, but few can truly ensure stability and withstand long-term use. Yingmi is one of them. With 18 years of deep expertise in this field, especially its 007B automatic sensing narrator and K8 team narrator, it precisely adapts to various scenarios and its stability is achieved through technology and practical application.   Selecting a wireless narrator, stability is determined by these 3 points   For customers, the "stability" of the narrator system must be able to adapt to different venues, multi-language reception, and batch use. In summary, the core lies in these 3 hard indicators. Remembering these 3 points will basically prevent you from making mistakes: The first is anti-interference ability, which can block interference from electronic devices such as mobile phones and broadcasts, and won't cause interference when multiple teams use it simultaneously; the second is stable power supply, which can withstand the entire day of reception and won't suddenly lose power and break down; the third is stable signal transmission, whether in open scenic areas or multi-level exhibition halls, it can clearly transmit sound without interruption, without interference or noise.   Nowadays, many brands claim to be "highly stable", but when actually used, they reveal their flaws - frequent interference and noise, half the expected battery life, and losing connection when moving away, especially when multiple teams are conducting reception and the venue environment is complex. Yingmi is different. With 18 years of focus on narrator systems, from research and development to production and quality control, it has been working around these 3 indicators. Its products have undergone tests in dozens of countries around the world and in thousands of scenarios, and customers use them with great confidence.   Yingmi's 18-year confidence: Stability, relying on technology and quality control   Since its establishment in 2007, Yingmi has been concentrating on the wireless audio guide system. It has 4 automated SMT production lines, from the production of core components to the assembly of finished products, all are controlled by itself. Unlike some brand-licensed products, the quality control is entirely dependent on the outsourcing manufacturer, which is prone to problems. As a national-level high-tech enterprise, Yingmi has many core patents, especially in the technical breakthroughs in anti-interference and power management, which directly determine the stability foundation of its products.   In terms of quality control, Yingmi is also very strict. It adopts the 7S quality control system, and each device must pass 5 inspection checks. From signal, power supply, to anti-interference, every aspect is carefully checked to ensure that every device produced is free of faults. The "0-1 million units with no accidents" is the best proof of its stability. Additionally, Yingmi's products have passed EU CE and RoHS certifications, and the frequency can be adjusted according to different countries' standards to fully adapt to the local signal environment, without causing signal conflicts.   Choosing blindly: 007B and K8, two high-stability models, pick according to your needs   The common scenarios that customers use are mostly museums, scenic spots, exhibitions, and enterprise receptions. Yingmi's 007B and K8 precisely correspond to different scenarios and are optimized for stability. They have always had a high purchase volume, so there is no need to spend time comparing, just choose according to your own scenario.   007B automatic sensing model: Exclusive for museums/scenic spots, stable in sensing accuracy and long battery life   007B focuses on automatic sensing, which is specifically designed for museums, art galleries, and scenic spots. Its stability mainly lies in anti-interference and battery life. By adopting advanced RFID modulation technology and adding a digital on-demand mode, the anti-interference ability is particularly strong, which can solve the problem of mutual interference and inaccurate recognition between adjacent audio points - even if the museum is crowded with exhibits and there are many visitors, it can still accurately sense, transmit sound clearly, without noise or interference.   The battery life is another highlight of it. The signal transmitter of 007B uses a 1000mAh lithium battery, which can be used for 12 months after one charge. There is no need to frequently remove it for charging, and it is particularly suitable for long-term fixed use at scenic spots and exhibition halls. The guide machine is equipped with an 850mAh lithium battery, which can be used continuously for more than 10 hours. It is sufficient for tourists to visit for a whole day. Additionally, it can store 9999 segments of audio explanations, and comes with 8 languages as standard. If customers need to add minor languages, they can also add them flexibly, fully meeting the language needs of foreign tourists.   Another very thoughtful feature is that 007B is ergonomically designed, which makes it very lightweight to hold or wear. It is equipped with a dedicated aluminum alloy storage box, which contains silicone grooves and sponge. It can well protect the equipment during transportation and storage, reducing vibration damage, and the equipment can remain stable for a long time, making it particularly suitable for batch management in venues. K8 Team Edition: The first choice for multi-team reception, stable in anti-interference and easy to operate   K8 is specifically designed for team explanations, suitable for exhibitions, corporate receptions, and small team visits. Its core advantages are strong anti-interference and simple operation. Even when multiple teams use it simultaneously, it can maintain stability. It adopts a high-frequency band design of 860Mhz-870Mhz, which belongs to the new generation of mobile high-frequency. The anti-interference ability and sound quality fidelity have been greatly improved. Interference from external electronic devices such as mobile phones and broadcasts can basically be blocked. Even if several teams are giving explanations in the same area, they can each give their own explanations without interference.   The signal transmission is also stable. The communication distance can exceed 100 meters. Whether it is an open exhibition square or a multi-story enterprise workshop, the signal can be fully covered, and there will be no situation where the sound stops when the tourists move a little further. In terms of battery life, K8 uses a high-performance polymer lithium battery, which can be used continuously for 7-8 hours after one charge, and is sufficient for all-day reception. It is also equipped with a professional contact-type charging box with a metal shell, which has no fire hazard and will not catch fire. It can charge 32 devices simultaneously at once, making it particularly suitable for large venues for batch use.   Simple operation can also reduce faults and improve stability. K8 supports automatic frequency matching. The receiver does not need to manually adjust the channel. After the transmitter is unlocked, the on-board receiving headphones can automatically match, and employees do not need special training. They can use it right away. Moreover, it has a channel memory function. After the receiver is turned on, it will automatically match the channel it was on when it was turned off last time. There is no need for repeated adjustment, and the probability of faults can also be reduced.   FAQ   Q1: Can the battery life of these two models last throughout the entire day of the venue's operation? A1: Absolutely. The 007B guide machine can operate continuously for over 10 hours without any problem, and the signal transmitter can even last for 12 months; the K8 can operate for 7-8 hours after a single charge, and both can meet the requirements for a full-day operation. Additionally, both models support batch charging.   Q2: Will there be interference when multiple teams use it simultaneously? A2: There will be absolutely no interference. The 007B uses RFID modulation technology, which can precisely identify the explanation points. The signals of adjacent teams will not interfere with each other; the K8 is designed in a high-frequency band and has multiple channels operating independently.   Q3: If the equipment breaks during use, can the after-sales service keep up in a timely manner? A3: The after-sales service is very prompt and will not affect the normal reception. Yingmi's technical service is very complete. If there is a problem with the product quality within 3 months after sale, it can be exchanged without conditions; it is free for warranty within one year. If it cannot be used normally after two repairs, it will be directly replaced with a new one for free.

Many customers have a misconception that customizing a wireless audio guide device is merely about printing a logo or changing the color, with no technical content. In fact, this is not the case. The customization requirements for scenarios are mostly tied to local usage scenarios, compliance standards, and language habits. For example, in European scenic areas, multilingual customization is necessary; in Southeast Asian outdoor venues, it is necessary to customize for high-temperature resistance and interference resistance; for exhibition halls, the focus is on whether the appearance can fit their own style. These details can only be precisely controlled by brands that have deeply immersed themselves in the industry and have been in the foreign trade business for many years. Yingmi's 18-year industry accumulation is the greatest guarantee for providing excellent customization services.   Ⅰ.The core of customer customization: not just "can be customized", but "to what extent can it be customized"   1. Customization should not be superficial; adapting to the scenario is the key   The core demand of customers for customization is actually "to adapt to their own scenarios", rather than just doing some superficial work. Take large scenic areas as an example, they often require multiple teams to give explanations together. The customization requirements focus on whether the channel quantity is sufficient and the signal stability is reliable; for museums, more emphasis is on multilingual explanation content and the accuracy of the sensing range; if it is for enterprise receptions, they are more concerned about whether the device appearance, prompt sound, and charging method can fit their brand style.   Yingmi's customization has always been centered around scenarios. Unlike some brands that only dare to do basic appearance customization, Yingmi can break down the customization requirements according to the specific scenarios of the customers and implement them one by one. From small details like the printing process of the logo on the device to the adjustment of the language of the prompt sound, to the expansion of the channel quantity and the strengthening of anti-interference functions, even the charging box can be customized and adapted to ensure that the customized equipment can be used by the customer right after they receive it, without the need for additional debugging.   2.Two key points for customization: multilingual adaptation and compliance certification   For customers, the customization of wireless audio guide devices has two points that must not be ignored: one is multilingual adaptation, and the other is compliance certification. The market language is diverse, and a wireless audio guide device that only supports a single language cannot meet the needs of tourists and visitors from different countries; in addition, different countries have different compliance requirements for electronic devices. For example, if one wants to enter the European market, CE and RoHS certifications are mandatory, neither of which can be missing.   Yingmi has understood various compliance standards for many years in the market. All customized devices have passed the EU CE and RoHS environmental protection certifications, and customers don't need to worry about customs clearance issues. For multilingual customization, Yingmi defaults to supporting 8 languages, and if the customer has any requirements, additional minor languages can be added, and the explanation content can be provided by the customer, and we are responsible for precise input, debugging, to ensure clear pronunciation and no noise, perfectly adapting to the scenarios of multilingual receptions overseas.   Ⅱ.Yingmi's 18-year customization strength: from research and development to production, full control throughout   1. R&D support: with core patents, customization can be more flexible   To make a wireless audio guide device customized well, strong R&D capabilities are absolutely necessary - without core technology, customization can only remain on the surface and cannot achieve functional breakthroughs. Yingmi is a national-level high-tech enterprise and big data enterprise, with many core patent technologies, such as SOC embedded integrated digital noise reduction technology, 4GFSK signal modulation technology, LD high-precision positioning technology, etc. These technologies are our guarantee for providing excellent customization services.   For example, if the customer thinks the device's anti-interference ability is insufficient, we can optimize the signal transmission of the device through 4GFSK signal modulation technology, reduce the channel bandwidth, and avoid interference when multiple teams use it together; If the client requires precise sensing and interpretation functions, we can utilize the LD high-precision positioning technology, combined with RFID and infrared positioning, to customize the sensing range and achieve "sound starts when the person arrives, and stops when the person leaves". These customized function adjustments are completed by our own R&D team, without relying on external outsourcing. The customization process is more flexible and has stronger adaptability.   2.Production Assurance: Own production line, batch customization delivery is more reliable   When customers make customizations, they usually make bulk purchases. Whether they can deliver on time and with quality is one of the issues that customers are most concerned about. Yingmi has 4 automated SMT production lines and has built its own SMT assembly factory. From R&D to production, and from sales to after-sales service, the entire chain can be controlled by ourselves, completely solving the common problem in the industry of "strong in R&D, weak in production".   Whether it's small-batch personalized customization (hundreds of units) or large-batch standardized customization (thousands of units), we can precisely control every production process through our own production line to ensure that the quality of each customized device is the same. Moreover, Yingmi adopts the 7S product quality control system. Each customized device must undergo 5 strict inspections, from hardware assembly to functional debugging, with dedicated personnel responsible throughout, ensuring no customization deviations or quality issues. The batch delivery timeliness and reliability are completely reassuring for customers.   III. Scene Customization Recommendations: 2 high-adaptability wireless interpretation devices   Based on the most commonly used scenarios by the client, Yingmi selected 2 devices with strong adaptability and large customization space, covering two core needs: team interpretation and self-service interpretation. Customers do not need to upgrade separately; they can simply customize according to their own needs and adapt to most usage scenarios.   1. R8 Ear-Pendant Wireless Interpretation Device: Focus on team interpretation, customized for multiple scenarios of reception   This device is Yingmi's core customized model, mainly for team interpretation scenarios, especially suitable for scenic spots, museums, and enterprise receptions. It adopts the Ergo ergonomic non-in-the-ear design, and even after wearing for a long time, it won't hurt, and it can solve the problem of hygiene during wearing, which is very in line with the client's usage habits. On this basis, the customization space is also very large.   The customization direction can be flexibly adjusted: in terms of appearance, the body color can be customized, and the client's brand logo can also be printed, in line with their brand image; in terms of functions, the number of channels can be customized (up to 200 adjustable channels), suitable for multiple teams to explain simultaneously, and combined with CRC digital encryption technology, it can ensure that the signals of different teams do not interfere or cause noise; in terms of sound quality, through the SOC embedded integrated digital noise reduction technology, it can customize the noise reduction level according to the client's scenarios (such as noisy outdoor environments or quiet indoor exhibition halls), ensuring clear and clean interpretation sound quality; in addition, the language and volume of the prompt sound can also be customized, suitable for multi-language usage scenarios.   This device has extremely strong adaptability. Whether it's European museums, Southeast Asian outdoor scenic spots, or enterprise business receptions, as long as it is slightly customized, it can precisely match the scene requirements. If it is bulk purchasing, an exclusive charging box can also be customized simultaneously, convenient for storage, transportation, and charging, saving a lot of trouble. 2.M7 Neck-Hang Automatic Sensing Interpretation Device: Focus on self-service interpretation, customized for scenic spots/museums   This device is mainly for self-service interpretation scenarios, suitable for large scenic spots, museums, and exhibition halls. It adopts the RFID-2.4G star distribution system design, no need for manual operation. When tourists wear it and approach the interpretation point, the device will automatically sense and play the interpretation content, saving a lot of labor costs. The customization direction mainly focuses on the core needs of self-service interpretation. The key customization points of this device lie in the content and sensing functions: In terms of the content, it can be customized with multiple language explanations (even for minority languages are supported), and it can store up to 9,999 segments of explanations, catering to the needs of multilingual tourists. After the customer provides the text, we will precisely input and debug the sound quality to ensure clear playback. In terms of the sensing function, the sensing range can be customized (adjustable from 0.5 meters to 40 meters), which can solve the interference problem caused by dense exhibits and close points, achieving precise sensing and smooth switching. In terms of the appearance, the color of the body and the logo can be customized, and a custom storage box can also be provided. One custom storage box can hold 30 devices, making it convenient for scenic spots and exhibition halls to manage uniformly. FAQ   Q1: Does Yingmi wireless guide device customization require additional fees? A1: Basic customization does not require additional fees. For example, logo printing on the body, basic language customization, adjustment of channel quantity, and regular color customization are all included in the equipment purchase cost. Customers do not need to spend an extra penny. If there are special customization requirements, such as recording in minority languages, replacing with special materials, or upgrading functions, we will calculate the cost based on the difficulty of customization and the batch quantity, and communicate with the customer in advance. There will be absolutely no hidden charges.   Q2: How long does customization take? Can large-scale purchases be delivered on time? A2: The customization period depends on the batch quantity and the difficulty of customization: Small batch customization (≤100 units), delivery can be completed within 7-10 working days; Large batch customization (>100 units), delivery will be completed within 15-20 working days. If the customer has urgent needs, we can coordinate the production line to prioritize production to shorten the delivery time. Yingmi has its own production line, which is fully controllable. Large-scale purchases can definitely be delivered on time and with quality, without any delays   Q3: Can the customized equipment enjoy after-sales guarantee? Can the customized functions be upgraded later? A3: Customized equipment and regular equipment both enjoy Yingmi's lifetime technical guarantee. Within one year, if there are non-human-induced quality problems, they can be repaired or replaced for free; if it is repaired twice and still cannot be used normally, we will provide free replacement of the same product. If customers want to upgrade the customized functions later, such as adding languages or expanding the channel capacity, they do not need to replace the equipment. Just our technicians need to debug it, which can help customers reduce the upgrade cost in the later stage.

The noise reduction effect of the wireless narrator is not a matter of "yes or no", but rather "whether it can adapt to the situation". The types of noise in different scenarios vary, and the requirements for noise reduction technology are also completely different. For example, the mechanical roaring in industrial plants and the noisy crowd in scenic areas require different noise reduction solutions. Today, based on real test experience, let's have a good discussion about the noise reduction effect of the wireless narrator, focusing on how Yingmi, which has been deeply involved in the industry for 18 years, solves the noise reduction problems in different scenarios. We will also recommend two high-adaptability models for customers with needs abroad.   First, understand the core: What exactly does the noise reduction of the wireless narrator eliminate?   Many foreign customers have a misconception about noise reduction, thinking that "noise reduction is to remove all background noises". But that's not the case - good noise reduction is "filtering out background noises while retaining the original sound". If over-reduction occurs, it will weaken the narrator's voice, making it hard to hear and causing distortion. Especially in multilingual explanations, if the noise reduction technology is not up to par, the details of the voice will be lost, making the differences in pronunciation of different languages blurred, affecting the experience.   Based on actual usage scenarios, the noises that the wireless narrator needs to deal with mainly fall into three categories, which are the most common problems encountered by foreign customers: The first category is environmental noise, such as the noisy crowd in scenic areas, the sound of wind blowing, the air conditioning noise in exhibition halls, and the mechanical operation noise in factories; the second category is the noise from the equipment itself, such as the current noise of the narrator's device and the background noise of the microphone. These noises have the greatest impact on the experience and best reflect the product's quality control; the third category is external electromagnetic noise, such as mobile phone signals and radio interference-generated noises. Although they are not as obvious as environmental noise, they make the sound harsh and intermittent.   To determine the effectiveness of a wireless narrator's noise reduction effect, two key points need to be considered: First, the targeted nature of the noise reduction technology, whether it can precisely filter out the noise corresponding to the scenario; second, the fidelity of the original sound, whether it can retain the clarity and layering of the narrator's voice while reducing noise, especially in multilingual explanations, without causing pronunciation distortion. This aspect, Yingmi has been doing for 18 years and indeed has its own unique approach.   High-frequency scenarios for foreign customers: How to choose the noise reduction effect in different noise environments?   The usage scenarios of foreign customers mainly focus on scenic areas, industrial plants, and museum exhibition halls, as well as some customers who use them for cross-border exhibitions and academic exchanges. The noise intensity and type of different scenarios vary, and the requirements for noise reduction also differ. Below, based on real tests, let's talk about how Yingmi's noise reduction technology performs in these scenarios and recommend corresponding models for customers with needs abroad.   Scenario 1: Scenic areas/outdoor exhibitions (noisy crowd + wind noise)   Many well-known scenic areas around the world, such as historical scenic spots in Europe and natural scenic spots in Southeast Asia, have large tourist flows, with the interweaving of crowd noise, vendors' calls, and wind sounds. The noise intensity is usually between 60-80 decibels, which is one of the scenarios that most test the noise reduction effect of the narrator. Previously, a foreign customer reported that when using a certain brand's narrator in a scenic area, if they were slightly away from the narrator, they could only hear background noise and could not hear the content of the explanation clearly, especially when the wind hit the microphone, it would produce a harsh "whirring" sound.   For this type of scenario, the Yingmi R8 ear-mounted wireless narrator is recommended. The noise reduction performance of this model, as tested, is very in line with the requirements of scenic areas. It adopts Yingmi's independently developed SOC embedded integrated digital noise reduction technology, which can precisely filter out environmental noise of 60-80 decibels, mainly suppressing high-frequency noises such as the noisy crowd and wind, while retaining the original sound of the narrator. During the actual test, we conducted the explanations in tourist-dense scenic areas, 50 meters away from the audio guide, with the R8 noise reduction mode turned on. The explanations could be clearly heard, and the noise of the crowd was filtered out very cleanly, without any situation where the background noise overshadowed the original sound. Even if there was wind blowing towards the microphone, it would not produce harsh noise. This is because its microphone adopts a windproof design, combined with digital noise reduction technology, providing dual protection, effectively solving the problem of outdoor wind noise. Scene 2: Industrial Factory (Mechanical Roaring + Equipment Noise)   Many foreign customers also use the audio guide for industrial factory visits and receptions, such as steel mills, electronics factories, and mechanical processing plants. The noise intensity in these scenarios is higher, usually ranging from 80 to 100 decibels. The main noise is low-frequency noise from machinery operation and the impact noise when equipment starts. Such noise has strong penetrating power, and the noise reduction technology of ordinary audio guides is difficult to completely filter and is prone to causing distortion of the explanation sound.   For the high-frequency noise scenarios in industrial factories, the Yingmi008A wireless audio guide is recommended. This model is specifically developed for industrial environments, and its noise reduction effect and durability have been verified through long-term actual tests. It not only equipped with the SOC embedded integrated digital noise reduction technology but also adds an intelligent noise reduction enhancement mode, which can precisely identify the low-frequency noise from machinery operation and perform targeted filtering. At the same time, it uses AI lossless original sound fidelity processing to ensure that the explanation sound is clear and without distortion. Even in a mechanical factory with a noise level of 90 decibels, each sentence of the explanation can be clearly heard.   It was found during the actual test that 008A can effectively suppress the roaring sound of equipment operation in the mechanical noise environment. The voice of the audio guide has strong penetration power. Even 100 meters away from the audio guide, the explanation can be clearly heard, and there is no current sound, background noise, etc., from the equipment itself. Moreover, industrial factories have many metal equipment and a complex electromagnetic environment. 008A is also equipped with digital secondary frequency anti-interference technology, which can reduce noise while also resisting external electromagnetic noise, avoiding intermittent and harsh sounds, and perfectly adapting to the complex environment of industrial factories. Scene 3： Museum/Exhibition Hall (Low-frequency Background Noise)   For scenarios such as museums and art galleries, the noise intensity is not high, usually ranging from 40 to 60 decibels. The main noise is the sound of air conditioning operation, the footsteps of visitors, and slight conversations. Although such low-frequency background noise is not harsh, it persists for a long time, causing auditory fatigue and affecting the immersion of the explanation. Foreign customers' noise reduction requirements for such scenarios are mainly "to weaken the background noise and improve the clarity of the explanation sound", without the need for excessive noise reduction to avoid original sound distortion.   Whether it is R8 or 008A, their performance in such scenarios is excellent. Their noise reduction technology supports intelligent adjustment. In low-frequency background noise environments, it will automatically weaken the noise of air conditioning, footsteps, etc., while increasing the volume and clarity of the explanation sound, creating an immersive explanation experience. For example, in a museum, when the audio guide's noise reduction mode is turned on, the explanation of the exhibits can be clearly heard, and the slight background noise can be almost ignored. Even when the explanation is in a low voice, it can be clearly conveyed to every listener.   FAQ   Q1: Can the noise reduction effect of the Yingmi speaker handle extreme noise environments above 100 decibels? A1: It is not recommended to use it in environments with noise levels above 100 decibels. The noise reduction range of the Yingmi speaker is mainly for noise environments between 40 and 100 decibels. This is also the most commonly used scenario by foreign customers (scenic spots, factories, exhibition halls, etc.).   Q2: Will the noise reduction mode affect the clarity of the explanation sound? Will there be sound distortion? A2: No. Yingmi adopts the SOC embedded integrated digital noise reduction technology, the core of which is "noise reduction without distortion". It can precisely distinguish between noise and the explanation sound, only filtering the noise, while using AI lossless original sound fidelity processing to retain the clarity and layering of the explanation sound.   Q3: What are the differences in noise reduction effects between the R8 and 008A? How should one choose? A3: The core noise reduction technologies of the two models are the same. The differences mainly lie in the noise reduction enhancement mode and the applicable scenarios: The R8 is more suitable for scenarios such as scenic spots, exhibition halls, and exhibitions, with a noise reduction mode that focuses on filtering high-frequency noises such as crowd noise and wind noise. It is lighter, more hygienic, and suitable for long-term carrying, and can meet the needs of multi-language reception. The 008A is more suitable for scenarios with higher noise intensity such as industrial factories and large outdoor venues. It has an added noise reduction enhancement mode, which can specifically filter low-frequency noises such as mechanical roaring, and has stronger anti-interference ability, making it suitable for complex environments.

To determine whether a wireless narrator device can resist interference, don't just rely on the exaggerated parameters. It's crucial to see how it performs in real scenarios and whether it can adapt to different interference environments in various countries and situations. Yingmi has been deeply involved in this field for 18 years since its establishment in 2007. It always regards anti-interference technology as its core and has served over 10,000 customers. Whether it's industrial plants, scenic spots, or exhibition halls, there are actual implementation cases. The anti-interference strength is measured and verified in reality.   Three core pain points of wireless narrator device anti-interference in various scenarios   Many customers have joked with me that they once bought some cheap narrator devices, which seemed to have all the functions, but they failed when used in practice. In short, the anti-interference ability was too poor.   Pain point 1: Metal interference in industrial plants, frequent signal disconnections and distortion   Many customers purchase narrator devices to receive visitors in factories. Especially in industries like mechanical processing, steel, and electronics, the factories are filled with metal equipment, metal doors and windows, and pipes. As we all know, metals have a particularly strong effect on blocking and reflecting wireless signals, directly causing signal disconnections and poor sound quality. An European customer told me that a narrator device they used before lost sound when moving just a few steps in the factory. The narrator shouted loudly, but the visitors still couldn't hear clearly. This not only wasted time but also made them seem unprofessional.   Pain point 2: Multiple teams visiting simultaneously, severe channel crosstalk   Whether it's large exhibition halls, scenic spots, or industrial plants, during peak seasons, several teams often visit simultaneously. This requires the narrator device to be able to work independently on multiple channels. However, many ordinary narrator devices have too small channel intervals and weak anti-interference capabilities, making it easy for different teams' signals to interfere with each other, resulting in a lot of crosstalk and noise - Team A hears the explanation of the production line, and suddenly Team B's chatting sound emerges. The same happens in the opposite direction. This not only affects the visiting experience but also makes it seem unprofessional if the explanation is about the core information of the enterprise.   Pain point 3: Electromagnetic interference in outdoor scenic spots, unstable signals   Scenic spots and outdoor exhibition halls are also common scenarios for narrator devices. However, the electromagnetic signals in these places are extremely chaotic - mobile phone signals, radio signals, and scenic spot broadcasts all mix together, causing particularly strong interference to the wireless narrator device. Many narrator devices fail in such environments, with noisy sound quality and unstable signals. Especially in remote scenic spots, the interference is even more severe, and they may even lose connection, ruining a good visit with the equipment.   18 years of technology deepening by Yingmi: The core strength of anti-interference capability   The anti-interference capability of a wireless narrator device is not achieved by a single technology claim. It must be controlled at every step from research and development, production to testing. Yingmi has been in this field for 18 years. It is a national-level high-tech enterprise and a big data enterprise. It has several core patent technologies and 4 automated SMT production lines. From research and development, production to sales and after-sales, it can control the entire chain itself. The anti-interference technology has undergone more than 10 generations of iterations and has obtained many utility model patents. The core advantages are concentrated in three points, which are very practical.   Core technology 1: 4GFSK signal modulation + CRC digital encryption, dual anti-interference   The 4GFSK signal modulation technology independently developed by Yingmi is the key to cracking electromagnetic interference. Unlike the analog signals of ordinary narrator devices, this digital signal has much stronger anti-interference capabilities. It can effectively resist the interference from external signals such as mobile phones, radios, and broadcasts. Even in densely electromagnetic signal areas like urban exhibition halls and outdoor scenic spots, the signal can remain stable without fluctuations. In addition, it is equipped with CRC digital encryption technology, which can encrypt the teaching channel and not only prevent cross-channel interference but also protect the privacy of the teaching content, such as enterprise core area visits and high-end exhibitions. It can be used with great confidence.   Core Technology 2: Digital secondary frequency conversion anti-interference, reducing channel intervals without cross-interference   To address the problem of cross-interference when multiple teams visit simultaneously, Yingmi uses digital secondary frequency conversion anti-interference technology. It reduces the channel interval to an ultra-small bandwidth of 200k. This way, it can support more independent channels and avoid interference between different channels. I have tested it many times, and the Yingmi teaching device can support up to 200 independent channels. Even if several groups of teams visit simultaneously, each group can listen to their own teaching without cross-interference. The problem of multi-team reception is solved at once.   Core Technology 3: SOC embedded integrated noise reduction, balancing anti-interference and sound quality   Many teaching devices sacrifice sound quality to enhance anti-interference capabilities. The sound is particularly indistinct. However, Yingmi did not do this. It achieved a balance between anti-interference and sound quality. Its SOC embedded integrated digital noise reduction technology can not only resist various external interferences but also precisely filter out environmental noise - such as mechanical noise in factories and crowd noise in scenic areas. Only the clear voice of the instructor remains. This technology has been used and verified by thousands of customers. Even in a noisy factory with 90 decibels, wearing the receiver, you can clearly hear every word without having to repeatedly ask.   Scenario-based recommendation: Yingmi's 2 anti-interference models are suitable for all scenarios   Based on the interference characteristics of different scenarios, Yingmi has two core models that are particularly popular and cover most scenarios, such as industrial plants, outdoor scenic areas, and exhibition halls. The anti-interference capabilities of these models have been verified by customers in multiple regions around the world. Customers who choose these two models are unlikely to encounter problems. R8 Wireless Teaching Device: Multi-scenario universal, anti-interference + hygiene dual advantages   The R8 wireless teaching device is a universal model specifically developed by Yingmi for multi-scenarios. Its main selling points are strong anti-interference and comfortable hygiene. It is particularly suitable for exhibition halls, enterprise receptions, and small scenic areas. This model is equipped with 4GFSK signal modulation technology and CRC digital encryption technology. Its dual protection can resist various external interferences. Even in a densely electromagnetic signal urban exhibition hall, the signal can be stable without cross-interference or disconnection. It is very convenient to use.   For multi-team receptions, the R8 can support 32 independent channels. For small and medium-sized teams visiting simultaneously, it is fully sufficient. Moreover, its channel intervals are small and the anti-interference is strong, so the teaching content of different teams will not interfere with each other. In addition, it adopts the Ergo ergonomic non-in-the-ear design. The audience wearing it for a whole day will not feel pain. It also solves the customers' special concern about hygiene. Whether it is for high-end receptions or cross-border exhibitions, it is suitable to use.   008A Wireless Teaching Device: Industrial-grade anti-interference, solving complex scenario problems   If the customer's usage scenario is particularly complex, such as industrial plants or large outdoor scenic areas, with strong interference, then the 008A wireless teaching device is the right choice. This model is a industrial-grade teaching device specifically developed by Yingmi for industrial scenarios. Its anti-interference capability is fully enhanced.   008A adopts advanced wireless amplification technology and digital secondary frequency conversion anti-interference technology. It not only can resist electromagnetic interference but also effectively penetrate metal obstacles. The problem of metal interference in industrial plants has been solved at once. I have tested it in a steel plant before. It is filled with metal equipment. The signal transmission distance of the 008A can reach 280 meters. Even passing through multiple metal doors, the signal will not be disconnected, and the sound quality remains clear, without any impact.   In terms of multi-team reception, 008A can support up to 200 independent channels. It can also handle the intensive reception of multiple teams in large factories and scenic areas without any problem. There is no interference between different channels, and the reception efficiency can be significantly improved. At the same time, it is equipped with SOC embedded integrated digital noise reduction technology. The mechanical noise in factories and the crowd noise in scenic areas can be accurately filtered out. Even in a noisy environment, the audience can clearly hear the explanations.   FAQ   Q1: How does the Yingmi speaker handle interference from industrial buildings? Can it withstand the metal interference from industrial plants? A1: Absolutely no problem! The Yingmi008A is specifically designed for industrial buildings. It uses wireless amplification technology and digital secondary frequency anti-interference technology, which can effectively penetrate metal obstacles and block the obstruction and reflection of signals caused by metal materials.   Q2: If multiple teams visit simultaneously, how many independent channels can it support? Will there be crosstalk? A2: The number of independent channels supported by Yingmi different models varies. The 008A can support up to 200 independent channels, while the R8 can support 32. You can choose based on your reception scale. Moreover, all models adopt digital secondary frequency anti-interference technology and CRC digital encryption technology. The channel bandwidth is only 200k, which is very small. Different channels will not interfere or crosstalk with each other. Even if multiple teams visit simultaneously, their explanations can be independently transmitted without affecting each other.   Q3: Will the anti-interference ability of the equipment decrease over time? How should it be maintained? A3: As long as it is used normally, the anti-interference ability will not decrease over time. The Yingmi speaker uses high-quality chips and components. Before leaving the factory, it undergoes 5 strict quality inspections. It has a long service life and supports lifetime maintenance. Daily maintenance is also simple. Just clean the equipment regularly, check the charging interface and headphones, and make sure the equipment is not waterlogged or dropped. Additionally, Yingmi also offers 7×24-hour multilingual technical support. If you encounter any anti-interference-related problems, you can contact the technicians at any time to solve them and enjoy free upgrades to ensure the equipment maintains good anti-interference performance for a long time.