Features:compatible with your Windows, Mac OS or Linux systems.1 upstream and 4 downstream USB port.4-port USB 3.0 hub with super speed transfer rate up to 5Gbps.Backwards compatible with USB 2.0 & 1.1.Supports hot swap.Built-in over-current protection to protect both connected devices and the hub itself from unforeseen power surges.Plug and Play, no driver needed.Light weight, small size, easy to carry.Product Properties:Interface Type: USB 3.0Model Number: USB 3.0 HubSpecifications:Material: ABSCompliant with USB version:USB1.0:1.5Mbps (Low-Speed).USB1.1:12Mbps (Full-Speed).USB2.0:480Mbps (High-Speed).USB3.0:5Gbps (Super-Speed).Compatible Systems: for Windows 2000/ XP/ Vista/ 7/ Linux/ Mac OS 10. X or abovePackage included:1 * USB 3.0 Hub1 * USB 3.0 CableNote: without power adapter