mp3/mp4 mini speaker

 1. USB or 5V power adapter supply;
 2. Hot-swappable, no software drivers;
 3. Dual-channel stereo design, enhanced full-range speakers (RMS 3W 4Ω);
 4. 3.5mm audio plug to facilitate easy connection Computer / iPod/MP3/MP4/CD / mobile phone and other types of sources;                     

 Specification
1. Output Power: 2.5W * 2 @ THD 10% (power adapter  output DC5V 1.5A)
2. Sensitivity:≥80dB
3. Frequency response: 90Hz-20KHz
4. Distortion:0.3%@1W 1KHz
5. SNR:≥60dB
6.Seperation:≥45dB