Specifications:
.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