Specification:

4 port 2.0 USB Hub, 480Mbps transfer rate, Backward USB1.1, 1.0, USB consumption current/500mA (Ø3.5mm Socket 2AMP power adaptor is required by option)

Operating Voltage:
DC 5V±5V%
Combo extension cable:
1.5Meter of length included USB, Audio and PS2 connecters
.Within PS2 connecters for Mouse and Keyboard and Audio Jack for Microphone and Headset (DCØ3.5mm)
FCC/CE:
FCC class B, CE
System Requirements
Windows®98/SE/
2000/ME/XP/
WIN2003/9.0X
Key Feature
Combo design
Combo design include USB Hub, PS2 connectors and Audio jacks
Tying for simple wiring with computer device and accessories; Mouse, Keyboard, Headset, Microphone, MP3 player, CD player etc
Without
Direct connection by extension cable without driver