Color Blue Material Plastic Quantity 1 Piece Bluetooth Handsfree Yes Bluetooth Version V2.1 Operating Range 10~15m Total Power 3 W Interface 3.5mmOthersMicro USB / TF card slot Microphone No SNR 75dB Impedance 4 ohm Applicable Products IPHONE 5IPHONE 4IPHONE 4SIPOD Radio Tuner Yes FM Frequency 87.5~108MHz Supports Card Type MicroSD (TF) Max Extended Capacity 16GB Built-in Battery Capacity 800 mAh Battery Type Li-ion battery Standby Time 48 Hour Music Play Time 6 Hour Plug Specifications Others Power Supply 12V Other Features Supports Bluetooth cell phone talking TF card music play computer and cell phone audio playing. Packing List 1 x Speaker 1 x Data cable (52cm) 1 x Lithium battery