This 7 port USB hub is the ideal companion for laptop or desktop computer.Perfect for connecting USB 1.1 or 2.0 peripherals such as USB mice, USB Portable Hard Drives, USB CD-R/RW or DVD-ROM drives and USB 1.1 hubs!Allows simultaneous operation of up to seven separate devices all attached to a single USB port.Ideal USB expansion for portable use on the road or at home.Supports Windows Vista, Windows XP, ME, 2000, 98, and Mac OS X 10.2 and higher, Linux 9