Logitech Mouse M90Mouse M90 Logitech Mouse M90 gives you just the basics for comfortable, reliable control of your computer. Its built by Logitechthe mouse expertsand 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. The full size, ambidextrous shape means your hand will rest comfortably, while high definition optical tracking (1000