- To connect up to 4 USB devices (e.g. printer scanner ...) to one USB port- USB 2.0 (downward compatible)- Bus-powered i.e. the voltage is supplied via a USB bus/computer- Incl. bus overvoltage protection for PCs (in case of short circuit of the peripherals)- Incl. USB connecting cable- Colour: black- For Windows 2000 as of SP 3/XP as o...