Portable Mini Speaker for mp3, laptop ST-20

Portable Mini Speaker for mp3, laptop ST-20
 

Product description:

l Size: 6.5* 6.5 *10cm
2 sound good: professional audio IC, 2W full range speakers
3 Portability: Bringing high 500 mA battery, out of power constraints
4 Technology and New: repair technology, so that 100 percent is not sharp tone the volume down, 100 percent distortion
5 wide application: mobile phone, MP3, MP4, PSP, notebook, PC, learning and other audio output device can be used for all
7 output device: 40MM-4 3W Hi-Fi speakers
8 Frequency response: 100HZ ~ 20KHZ (Hz)
9 Impedance: 4HM ;)
10 signal to noise ratio ≥ 96dB
15 Accessories: USB charging cable, audio cable