GadKo USB to PS/2 Keyboard/Mouse Adapter, Purple, USB Type A Female to PS/2 (MiniDin6) Male GadKo is the only authorized dealer of GadKo branded products. This adapter will convert a USB mouse for use in a PS/2 keyboard port. This is ideal for older keyboards. This device comes in the color purple. Not compatible with all USB devices. Primarily for use with a keyboard or mouse.