Huawei CM61 Wireless Bluetooth 4.1 Headphones Lite Black

Battery life: 11 hours playback on one charge* Charging : Micro USB Physical Button: Multi function, Power, Volume Bluetooth Compatibility:  BT 4.1 1. Battery level indication on iOS devices 2. Connect with 2 devices at the same time 3. Voice prompt 4. Redial the last call by double click the function button when the music is off 5. Professional noise cancellation，enjoy clear voice call anytime and anywhere