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). It 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.