Model N8 Quantity 1 Color Blue Bluetooth Version V3.0 Operating Range 10 meter Compatibility Ipod Iphone mobile phone PC Microphone Yes Channels 2.1 Total Power 3W Impedance 2.6ohms Signal to Noise Ratio(SNR) >/= 90db Sensitivity 160Hz~20KHz Radio N/A Supports Music Format MP3 Power Supply DC 3.5~4.2V Built-in Battery Capacity 600mAh Compatible With All bluetooth devices Other Features Plug and play; Handsfree; Support TF card up to 8GB Packing List 1 x Bluetooth speaker 1 x USB charging cable(80cm) 1 x Audio cable(100cm) 1 x Chinese / English manual