Logitech® Mouse M90 gives you just the basics for comfortable. reliable control of your computer. It’s built by Logitech—the mouse experts—and comes with the quality we’ve built into more than a billion mice. There’s no software to install. And since it’s 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 dpi) means you’ll get responsive. smooth cursor control for precise tracking and easy text selection.