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Function: 1. environment friendly 2.antiflaming 3.abrasion resistant4.sound absorption5. abrasion resistant 6.antistaticCoil : Width : 1.2m ~ 1.8mLength: 15m ~ 20 mThickness: 2~5 mmPlate: 500×500mm 600×600mmApplication;office conference hall... More
" 2-5km range/6M underwater"+"3 channels/one coach teaching 3teams"+Real time feedback"+ "two way communication+"hearing aid/protection",even hearing impaired people can use it.Improve your sport in way you never thoughIntroduction------2-5KM range /6M... More
