Vcom SB 2.0 USB Female to PS2 Male Green Adapter (CA451) USB Female to PS2 Male Adapter, Green Adapter has a male PS/2 plug on one side, & a female USB port on the other side No software or drivers required; Passive adapter only Must be used by mice that are both USB & PS/2 compatible Adapter makes it fast & easy to convert a PS/2 port for use with a USB mouse