Brand Name AnbesStyle In-EarCommunication WirelessFunction Bluetooth， Noise Cancelling， Microphone， Common Headphone， For Routine Office Work， Wireless Headphone， For Mobile Phone， Portable， Sport， Supports musicPlug Type WirelessLine Length NoneModel Number SN31Connectors USBUse Mobile PhonePackage NoWith Microphone NoTime to market 2015Is wireless YesName Anbes SN31 Wireless Bluetooth 4.1 EarphoneFunction Noise Cancelling Female voice prompt One-driven-twoUse Driving Chatting Running Listening to MusicStandby time ��80 hoursListen time ��5 hoursTalk time ��5 hoursCharge time Approx 2 hoursBluetooth version V4.1