... helps you to tidy up your personal devices.High grade 2.1 acoustics : three loudspeakers, Subwoofer.Convenience : Can connect to ... in: High Fidelity audio, Class A analog amplifierConnection: Mini USB 2.0Expanded Function: USB 2.0 HUB*3Size : MAX:340*54*35mm MIN:278*54 ... , Windows ME, Windows 2000,Windows XP, Windows Vista USB 2.0Mac: Mac OS X or higherAccessories: lint bag, color cover, USB 2.0 cable