Link a device with a parallel port directly to a USB port ( 25 poles socket).Simply plug the cable to the USB port of your PC and to the LPT plug.The USB to LPT parallel cable adaptor can be plugged to any LPT plug of other devices which have LPT plugs.USB 1.0, 1.1 & 2.0 compatible with USB A plugsPlug and Play Support Windows98/SE/ME/2000/XP Cable length : about 1.4 m 2 year guarantee