uxcell Black Rectangle 4 Ports USB 2.0 Hub for PC Notebook Product Name : USB 2.0 Hub; Interface : USB 2.0 / 1.1 Data Transfer Rate : 1.5Mbps/ 12Mbps/ Up to 480Mbps; Support Systerm : Windows 98, 2000, XP, Vista, ME USB Cable Length : 6.5";Size : 2.5" x 1.25" x 0.5"(L*W*T) Material(Exterior) : Plastic; Color : Black Weight : 62g; Package Content : 1 x USB 2.0 Hub Black1 x USB Cable