High performance Wheel 4 Port USB 2.0 Hub features 1 upstream and 4 downstream USB ports, and compatible with USB 1.1 and USB 2.0. It draws power from the USB port and requires no external power supply. Description:Stylish and unique design Orange Wheel USB Hub turns a single USB port into 4 USB 2.0 ports.It is great for most low-power USB peripheries, such as USB mouse, USB keyboard, USB web camera, USB sound card, etc.This Laptop USB 2.0 Hub is fully compliant with USB specification version 2.0Backward compliant with USB 1.1.Maximum data transfer rate is 480Mbps.Hot swappable, plug and play.Individual port over-current protection.USB power, no external power needed.This Computer USB 2.0 Hub is the ideal companion for your laptop or desktop computer.System Requirement: Windows 2000, ME, XP, and Vista.Casing Material: PlasticUSB Cable Length: ~47cmDimension: ~6.2(D) x 2(H)cmWeight: 71gPackage Included:1 x Wheel 4 Port USB 2.0 Hub1 x USB Cable