USB HUB 1.Adds 4 USB 2.0 Hi-speed ports,backwards compatible with 1.1 2.Fully Compliant with USB2.0 Specification USB HUB1.Adds 4 USB 2.0 Hi-speed ports,backwards compatible with 1.12.Fully Compliant with USB2.0 Specification 3.Supports data transfer rate at 1.5/12/ 480Mbs4.Friendly and ergonomic desigs,easily Protection 5.Plug and play installation 6.Top-Loading 7.Indiviadval Port Over-Current ...