Description & Features
Compliant with Universal Serial Bus Specification Revision 2.0 (Data Rate 1.5/12/480 Mbps)
Connects up to 127 USB Devices
Bus-power and self-power mode used
Plug-and-play function
1 upstream and 4 downstream USB ports included
Over-current detection and protection
1 red LED as power-on indicator (In some models, there is a green LED indicator for each downstream port apart from the red LED. )

System Requirements
Desktop or notebook computer with USB port
One of the following operating systems (no driver needed):
Win 98SE/Win ME/Win 2000/Win XP & Mac 10.1 up