Model m12 Quantity 1 Color Black + silver Bluetooth Version v2.1 compatible w/ v2.0 and v1.2 Ear Coupling Over the Ear Talk Time 13 Hour Standby Time 100 Hour Operating Range Max 10 meter Compatibility PS3 game player and brand cellphone w/ bluetooth Microphone Yes Radio N/A Supports Music Format Depends on main device for transmitting bluetooth signal Power Supply Built-in Battery Built-in Battery Capacity 180mAh Compatible With Iphone 4 / 4S Iphone 5 Other Features Can redial last calling number refuse answering and adjust volume Packing List 1 x Bluetooth earphone 1 x Adapter (US plug) 1 x USB cable (105cm)