Model X-m10 Quantity 1 Color Black Bluetooth Version v2.1 Ear Coupling Headset Talk Time 12 Hour Standby Time 250 Hour Operating Range Max. 10 meter Compatibility v2.0 and v1.2 Microphone Yes Radio N/A Supports Music Format Depends on device of the transmitter signal Power Supply Built-in battery Built-in Battery Capacity 250mAh Other Features Compatible with PS3 game and other Bluetooth cell phones with wireless transmitter can chat online Packing List 1 x Headphones 1 x 100~240 charger 1 x USB charging cable (90cm) 1 x English and Chinese user manual