Feature
1) Adds four more USB2.0 ports at 500mA each into your computers
2) Hot-swapping feautre lets you connect/disconnect USB devices
without restart your computer
3) Works with USB devices such as pen driver, mouse, keyboards,
digital cameras, and more
4) Provides 4 more USB 2.0 ports for multiple connection
5)have a LCD clock.

Specification


Interface: USB2.0/1.1
Transfer speed: Up to 480Mbps
Unit Dimension: 80X80X27MM

Function



Plug & play
Compliant with USB specification, version 2.0
Powered by motherboard 5vDC sources throug USB & PS/2 extension plug
OS Win98/ME/2000/XP Mac9 by vendor driver