Mini USB speaker ,Work with all sound source with 3.5 audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc
1) Frequency range:90Hz - 20 kHz
2) Output :2.5W+2.5W
3) distortion: 0.3% 1W 1KHz
4) Signal to noise ratio≥60dB
5)Sensitive : ≥80dB
6)Power : USB 5V
7)2.1 Chanel Stereo