1) Adds 4 USB 2.0 Hi-Speed ports
2) Fully Compliant with USB 2.0 Specification
3) Supports up to 127 Hi-Speed devices
4) Backwards Compatible with USB 1.1
5) Support data transfer rate at 1.5/12/480Mbps
6) Individual Port Over-Current Portection
7) Friendly & ergonomic design, easily potable
8) Provide up to 500mA per port sufficient for diverse devices
9) Power Adapter included(5V/2.6V Out put)
10) Plug & play installation
11) Support Window98,windows2000,windows ME,windows xp
12) Support Mac OS 8.6 or above
13) Hi-Speed Down stream ports with USB A Female connectors

1×Blister packing
1×USB hub