USB HUB 4-port USB HUB1.Plug and play in stallation2.User-friendly and ergonomic design3.Supports windows 98,98SE,2000,ME,XP,Vista,MacOS 9.x, 10.x.4.Compliant with USB1.1&2.05.Supports up to 127 Full-speed or Low-speed devices6.Supports data transfer rate at 1.5/12Mbp 4 Port USB HUB