Features:

1,2.1-channel, built-in passive bass pots and two full-range speaker
2, the use of optimized DSP processor, eliminating noise, bright speaker treble bass shock
3, digital volume control
4 via the USB directly connected to the computer to play music, no additional set
5, contains the generic audio LINE IN connector, suitable for the Iphone, Ipad, notebook, MP3, music phones and other equipment with a 3,5 mm headphone jack
6, the body is slim and lightweight for easy carrying.