Feature:
- 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