1 Desktop mini speaker connect with PC, note book
2 2-Channel stereo with 3D sound effect
3 passive bass boost
4 good sound

Futures:

*Desktop mini speaker connect with PC, note book
*2-Channel stereo with 3D sound effect and passive bass boost
*Conveniently powered via  USB cable in length 1.4M
*OEM color and logo print are welcome                      

  *High truly round elecient

Technical specifications:

*Power output: 2.4W*2RMS
*Speaker size: 1.5"*2
*Frequency response: 150Hz-20KHZ
*Distortion: ≤0.5 %
*Separation:≥75dB
*S/N Ratio: ≥80dB
*3.5mm audio output jack
*Power Voltage: USB

/DC 5V