● Output power: 1*5W
●Bluetooth 2.1+EDR
● Distance: 10-30 meters
● Audio Socket: 3.5mm stereo jack
● Input DC voltage: DC5.0V
●S/N: ≧85dB
●Power supply:  Lithium battery or USB cable
●Li-Battery: 1200MA
●Frequency range: 90Hz~20KHz
●Distortion Factor: ≦0.5%
●Impendence: 4ohm
●Audio socket: 3.5mm stereo jack ● Hands free BQB certificates,
●PATENT tech 
● Key: Capacitance type touch
Noise Blackout Extreme
●Audio source: iPhone, iPad, smartphone, PC, Notebook, MP3, MP4, etc
●Function spec: Bluetooth,Micphone,Line-in