* Rated impedance:4Ω
* Output power:3W*1(1KHZ, THD10%)
* Supply voltage:5 v
* Frequency response:180HZ—20KHZ
* S/N:≥85dB                                                        
* Li-battery rechargeable
* Dimensions: 120x100x100mm
* Support SD/MMC card ,USB port, FM radio
   Flashlight function
Product size: 100*100*140mm
Color box: 130*130*150mm