ICIDU USB 2.0 Mini HUB. Data transfer rate: 480 Mbit/s. Packaging width: 132 mm, Packaging depth: 33 mm, Packaging height: 209 mm. Interface: USB, Dimensions (WxDxH): 50 x 50 x 12 mm. Compatible operating systems: MAC OS X +, Windows 98, 2000, ME, XP, Vista