Cwxuan magnetic bluetooth wireless sport metal in ear earphone self timer
Materialaluminium plastic typein ear general usecomputer mobile phone cellphone functionhi fi noise cancelling volume control with microphone bluetooth communicationbluetooth memory capacitynone sound channel20 bluetooth versionv41 operating rangem10 talk timehours5 standby time hours200 brandcwxuan listing date05312017 production modeself produce
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