Brand iKANOO Model F99 Quantity 1 Color Black Bluetooth Version V3.0 Operating Range Compatibility V2.1 Microphone Yes Channels 2.1 Total Power 6W Impedance 4ohm Signal to Noise Ratio(SNR) >=76dB Sensitivity 80dB+/-2dB Radio N/A Supports Music Format MP3 Power Supply USB Built-in Battery Capacity 800mAh Compatible With Smart phones and tablets that w/ bluetooth Other Features Frequency: 90Hz~20KHz; Interface: Micro USB / 3.5mm AUX; Small fashionable portable and multi-functional; Great for household use outdoor travel and work Packing List 1 x Speaker 1 x Bracket sheet 1 x 3.5mm audio cable (33cm) 1 x USB power cable (63cm) 1 x English user manual