Sound system: 2.0 USB  Decoding audio and big cooling fan                                                    

Speaker Impedance: 4 Ω             

Output Power:1.8 W*2                                  

Frequency Response:30Hz-20k Hz                     

SNR: ≥65 dB                                                 

Rated Voltage: powered by USB ( DC5V)                                                                                                        

P                       

Product Spec.:                                                  

Product size: L320*W260*H65mm        

Fan size:  16cm                                     

 Material: Spray rubber on surface       

Packing:color box               

color: black and orang