Bluetooth Speaker
Model:BS03
Output power:3W
Frequency response: 90Hz~20kHz 
Impedance: 4OHM
Sensitive: 80dB±2dB                                          

S/N Ration: ≥80dB                                            

Distortion: ≤0.3%
Input power: USB 5V lithium battery
Range:10m            
Aux in, compatiable with all 3.5 Audio Device                                                                                           
With Bass Diaphragm.
Support TF Card Read
Hands free                                   

Unit Size:62*63mm

Color:golden,brown,black,red,blue,silver,green,pink