Sell Mini Speaker

Description

1.USB/micro SD Card Read
2.Digital FM Radio                                 
3.Aux in, earphone jack 
4.with external lithium battery

Output power : 3W
Frequency response: *0Hz~*0kHz
Impedance: 4OHM
Sensitive:  *0dB±2dB                                         
S/N Ration: ≥*0dB                                            
Distortion:≤0.3%
Input power: USB 5V /lithium battery
Color:red,rose red,blue