- 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 of SP 1/Vista and Mac OS 9.x