Color Black Brand Fineblue Model 608 Material Plastic Quantity 1 Piece Shade Of Color Black Bluetooth Handsfree Yes Bluetooth Version V2.1 Operating Range 10M Total Power 3 W Channels 2.0 Interface 3.5mmUSB 2.0OthersTF card slot Microphone Yes SNR 80dB Frequency Response 20Hz~20KHz Applicable Products OthersCellphones and computers with bluetooth or digital devices with 3.5mm audio output port Radio Tuner No Supports Card Type MicroSD (TF) Max Extended Capacity 32GB Built-in Battery Capacity 800 mAh Battery Type Li-ion battery Talk Time 3 Hour Standby Time 150 Hour Music Play Time 3~4 hours Plug Specifications OthersMicro USB Power Supply 5V Other Features With the hands-free function Packing List 1 x Bluetooth speaker 1 x USB charging cable (75cm) 1 x Audio cable (100cm) 1 x English / Chinese user manual