Bluetooth earphones wireless sports headphones bass stereo with ear hook mic voice prompt handsfree dsp noise reduction for phone
Modelks sports materialmetal silica gel plastic typein ear general usemobile phone cellphone functionnoise cancelling volume control with microphone bluetooth communicationbluetooth connectorsusb memory capacitynone speaker frequency response20 hz 20 khz driver typeelectrostatic sound channel20 bluetooth versionv41 operating rangem10 talk timehours5 standby time hours120 listing date05262017 production modeexternal procurement headset accessories typ
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