1. Super Mouse Pad and indicated by LED Light
2. Add 4 USB 1.1 or 2.0 Hi-Speed port
3. Fully compliant with USB 2.0 Specification and Compatible with USB 1.1
4. Support data transfer rate at 12/480Mbps
5. Driver-less,Hot Plug & Play
6. Support Window 98/2000/ME/XP/Linux2.4 and Mac OS8.5 or above version