AURIN&reg; Ultra slim 4-port USB 3.0 Hub 4-port high speed hub 4-port super speed hub with LED indicator and 5V Power Slot-Black USB 3.0 data transfer rate up to 5Gbps, backward compatible with USB 2.0 and 1.1. With Hi-Speed 5Gbps, you'll be able to sync files and interact with your Mac, PC, Tablet more efficiently than ever. Easily add four USB 3.0 ports to your PC, laptops and tablets, eliminating the trouble of switching among devices. Backflow prevention circuit design, in order to prevent electric current flow back to the device. Solid port construction and industrial-grade material endure years of use.