Got a new mouse that connects via USB, but your computer has PS or 2 ports Adapt them for use with USB mice with this simple converter, and leave your uterand 39 s USB ports free for other devices! Simply power off the computer, plug the adapter in, connect the USB mouse cable, and turn back on! No need for software or drivers. Features - Color: As the pictures shown.- Material: Plastic, metal.- Size: 4 x 1.2 x 1cm(L x W x H).- It can easily realize between PS or 2 and USB interface adaptor.- Connect the ps or 2 interface keyboard or mouse to computer mainframe usb interface.- The usb interface only used to connect mouse or keyboard. It can not connected with other devices.- Hotplug and no need of external power supply. Small volume, easy to use.- The adaptor can easily realize between PS or 2 and USB interface.- It only used for keyboard and mouse, but not connect with other devices.Packing list: 1 x USB Female To PS or 2 Male Converter Changer Adapter for Desktop PC