Features:
Adds 4 USB 2.0 Hi-Speed Ports.
Fully Compliant With USB 2.0 Specification.
Supports up to 127 Hi-Speed devices.
Backwards Compatible with USB 1.1
Support data transfer rate at 1.5/12 4800Mbps.
Individual Port Over-Current Protection.
Friendly & ergonomic design, easily potable.
Provide up to 500mA per port sufficiont for diverse devices.
Plug & Play installation.
Support Windows 98, Windows 2000, Windows ME, Windows XP & Vista.
Support Mac OS 8.6 or above.
Hi-Speed Downstream ports with USB A Femate connectors.
Hi-Speed up stream port with Mini USB 5 P Jack.

System Requirements
Pentium based PC or Power PC based Macintosh with available USB 2.0 port.
Mac/Windows OS with USB 2.0 Support.