This is the Logitech Wired Mouse Desktop 3-Button Black 1000 DPI [LGT-M90] Logitech Mouse M90 gives you just the basics for comfortable, reliable control of your computer. Its built by Logitech and comes with the quality weve built into more than a billion mice. Theres no software to install. And since its corded, you can just plug the cable into a USB port and use it right away.