Model B-168 Color Black Type Phone Dialing and receiving function Bluetooth Version 2.1 Ear Coupling Wrist style Talk Time 5 Hour Standby Time 120 Hour Operating Range 0-10 meter Compatibility Bluetooth 2.1 Microphone Yes Radio N/A Supports Music Format N/A Power Supply Built-in Battery Built-in Battery Capacity 220mAh Other Incoming call information display vibration reminder Receiving/talking/dialing/hang up function; Time display Packing List 1 x Bluetooth wrist watch 1 x 110-240V power adapter (2-flat-pin plug) 1 x Charging cable (75cm) 1 x English manual