Bluetooth earphone wireless sports headphones bass stereo earbuds with ear hook mic voice prompt handsfree noise reduction sweatproof for phone
Modelks plus materialmetal rubber plastic typein ear general usemobile phone cellphone functionbluetooth noise cancelling with microphone communicationbluetooth connectorsusb memory capacitynone speaker frequency response20hz 20khz driver typeelectrostatic sound channel20 bluetooth versionv41 operating rangem10 talk timehours8 standby time hours120 listing date05262017 production modeexternal procurement headset accessories typeearpad
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