* Rated impedance:4Ω
* Output power:2W*1(1KHZ, THD10%)
* Supply voltage:5 v
* Frequency response:20HZ—20KHZ
* S/N:≥48dB
* Li-battery rechargeable
* Support MicroSD card
* LED display
* AUX(3.5mm) and earphone port     
*support the alarm alarm function and LED flash for help function                                                         
*LED display  Compatible with laptops, MP3, MP4, MP5,APE,WMA,OGG,ASF, cell phones, PSPs, etc.                                 
* Dimensions:129*36(mm)                      
* N.W:0.132KG
Carton Size: 590*320*440mm (60sets/CTN) 
N.W21kg/G.W:22KGS