1) Fully compliant with USB 2.0 Specification. Backwards compatible with USB 1.1

2) Mini full speed 4 port USB 2.0 hubs.

3) Maximum data transfer rate is 480Mbps.

4) Support up to 127 USB devices.

5) Support self-powered mode with optional external 2A AC adapter

6) Provide up to 500mA per port sufficient for diverse devices

7) Plug and Play

8) No driver installation required.

9) System requirements: Windows 7/Vista/XP/2000/98SE