Fully compatible with USB 2.0 specification
+ USB HUB with 4 ports
+ Supports data transfer rates up to 480Mbps
+ Plug and play
+ Supports up to 127 Hi-speed USB devices
+ Perfect for laptop users needing to connect to PDA, printer, mouse, external drives, etc.
+ Supports window 98/2000/XP/ME/Win 7/Vista, Mac OS 9.2, 9.1, 8.6, Mac X 10.1 or higher