USB HUB,computer peripheral 1)Plug and play installation 2)User-friendly and ergonomic design 3)Supports Windows 98, 98SE, 2000, ME, XP, Mac OS 9.x, 10.x. 4)Compliant with USB 1.1&2.0 5)Supports up to 127 Full-speed or Low-speed devices 6)Supports data transfer rate at 1.5/12Mbps Usb Hub