Aluminium high quality material
Power bank function
Camera shutter function
Aux-in
Low battery warning
Led lighting buttons
Useful torch light function
Special alarm function
Rechargeable battery
Power indication light
Automatic bluetooth pairing
Microphone for hand-free function
With rubber feet for shaking-resistant

Bluetooth chip:bk v2.1+edr
Drive size: 2.25"*1 + 1.25"*1(treble driver)
Power:5w*1 + 1w*1(treble driver)
Distortion : <10%
Frequency. Response:40—20, 000hz
Play time: 15-20h
Charging time:2.5h
Input:dc 5v/1a
Output:dc 5v/500ma
Battery capacity:2200ma
Transmission distance :10m
Size:150*81.5*30mm
Product weight:74g
Color:black/silver/gold