Specifications
Bluetooth 2.1+EDR
Output power	5W
S/N	more than 85dB
Power supply:	Lithium battery or USB cable
Li-Battery	1200mAh
Frequency range	90Hz~20KHz
Distortion Factor	less than 0.5%
Impendence	4ohm
Audio socket	3.5mm stereo jack
Function spec	Bluetooth, Line-in
Audio source	iPhone, iPad, smartphone, PC, Notebook, MP3, MP4, etc
Others	Operating range up to 30 meters, Removable Rechargeable li-ion battery, Rotation adjust the volume & switch