The 4-port USB 2.0 hub provides 4 Hi-Speed USB 2.0 ports for your high-speed connectivity needs. This device is USB 2.0 and provides a data transfer rate of up to 480 Mbps (high speed). Also supports USB 1.1 devices since it is backward compatible with USB 1.1 specifications. It is very easy to use, Plug-n-Play, hot swappable and portable.4 USB 2.0 ports for easy expansionSupports a data transfer rate of up to 480 Mbps40 Times faster than USB 1.1 productsPlug-n-Play, hot swappableBackward compatible with USB 1.1 specificationsSupports Windows 98, 98SE, 2000, ME, XP, Vista and Mac OS X or later versionOvercurrent ProtectionSelf PoweredUSB cable tucks away when not in use