Model No.: SL4223
Product size: 230 x 230x 42mm( H x D x L )

 MOQ1000pcs

Function: Bluetooth/MP3 Player/FM Radio/TF Card/Aux in/USB / LCD Display                                                 
Output power: 25W  *2
Frequency response: 38HZ-20KHZ
Power supply: DC 5V
Audio Input                                                      
Input Impedance : 10k Ω
Battery capacity : 2400mAh