This adapter can be used to convert a PS2 mouse and keyboard to a USB for your computer. Once plugged in, the mouse and keyboard will operate in a normal fashion. This is a great item for a gamer that wants a more ergonomic gaming experience without going out and buying a new gaming keyboard and gaming mouse. The adapter works with most brands of keyboards and mice, including Logitech, Razer, Microsoft, Dell, and more. The adapter will help you save money by allowing you to use the peripherals you already own with a USB port. Plug the PS2 end of the adapter into any PS2 port on your computer, plug in your PS2 keyboard and mouse and then plug the USB end into a free USB port on your computer.