Logitech Mouse M100 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 dpi) means youll get responsive, smooth cursor control for precise tracking and easy text selection.