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Bidirectional 250KHz Tour Guide System Long Transmission Distance2021-12-02 10:18:02 |
Two Way Audio Tour Devices Achieve Question And Answer2022-11-02 16:57:07 |
RFID Infrared Induction Tour Guide System 8 Language Optional2022-04-21 16:13:22 |
RFID Automatic Tour Guide System Anti Interference Support Eight Language2021-09-30 09:40:28 |
PMU Lithium Battery Adaptive Flash Guide System Up To 15 Hours2022-08-02 15:30:33 |
Intelligent Noise Reduction Audio Guide System Up To 280 Meters Away2022-04-21 16:06:15 |