* Rated impedance:4Ω
* Output power:3W*2(1KHZ, THD10%)
* Supply voltage:5 v
* Frequency response:180HZ—20KHZ
* Degree of dissociation:≥85dB                                
* Li-battery rechargeable
* Support SD/MMC card ,USB port, FM radio
   LCD display
Product size: 140*60*45mm
Color box: 160*70*50mm