Color Green Material ABS Quantity 1 Piece Shade Of Color Green Bluetooth Handsfree Yes Bluetooth Version V4.0 Operating Range 10 meters Total Power 3 W Channels 2.1 Interface 3.5mmUSB 2.0 Microphone Yes Impedance 4 ohm Applicable Products IPHONE 5IPHONE 4IPHONE 4SIPHONE 3GIPHONE 3GSIPODIPAD Radio Tuner No Supports Card Type MicroSD (TF) Max Extended Capacity 32GB Built-in Battery Capacity 600 mAh Battery Type Li-polymer battery Talk Time 2 Hour Standby Time 5 Hour Music Play Time 3~5h Plug Specifications USB Power Supply DC 5V / 500mA Certification CF FCC Packing List 1 x Bluetooth speaker 1 x Micro USB to USB / 3.5mm cable (52cm ) 1 x Carabiner 1 x Chinese / English user manual