This adapter is great for laptops that don”t have PS/2 ports. Now you can plug your PS/2 mouse and keyboard into your laptop in a matter of seconds. Compliant to USB HID Specification;USB Bus Powered , Supports Plug and Play Specification . Just use this converter to convert your old PS/2 keyboard and mouse into USB devices to use them on any computer Old PS/2 keyboard and mouse with circular type pins are not supported on newer laptops and computers Convert PS/2 devices to USB devices . Categories: Accessories & Supplies , Cables