Color Black Brand NO Model BM50 Material Plastic Quantity 1 Piece Ear Coupling Ear-hook Bluetooth Version V2.0 Operating Range 10M Radio Tuner No Microphone Yes Supports Music Yes Connects Two Phones Simultaneously No Applicable Products OthersSupports all mobile phones and pads with built-in bluetooth function Built-in Battery Capacity 300 mAh Battery Type Li-ion battery Talk Time 2 Hour Music Play Time 4 hours Standby Time 120 Hour Plug Specifications OthersUSB2.0 Power Supply DC 5V Other Features Development Platform: 8851A MCP: 32 +16 Display: 0.66" OLED display Support band: GSM 900 / 1800 compatible with 850 / 1900 Channel: Stereo To make or receive a call by bluetooth Send and receive SMS by bluetooth It can be used as mobile phone when it inserts the SIM card Expansion card: No Interface: 1 x micro USB2.0 charging port 1 x SIM card slot Language: English Packing List 1 x Bluetooth Phone 1 x Earhook 1 x USB charging cable (20cm) 1 x Battery 1 x English & Chinese User Manual