Color Black Brand iKANOO Model i-906 Material Aluminum + ABS Quantity 1 Piece Shade Of Color Gray Bluetooth Handsfree Yes Bluetooth Version V3.0 Operating Range 10m Total Power 10 W Channels 2.0 Interface USB 2.0 SNR 76dB Sensitivity 750mV Frequency Response 90Hz~20KHz Impedance 6 ohm Supports Card Type MicroSD (TF) Max Extended Capacity 32GB Built-in Battery Capacity 1000 mAh Battery Type Li-ion battery Talk Time 5 Hour Standby Time 48 Hour Music Play Time 4h Power Supply DC 5V / 500mA Packing List 1 x Speaker 1 x USB power cable (63cm) 1 x 3.5mm audio cable (33cm) 1 x Chinese user manual