Simple to Set Up and Use_ Setup is fast and easy – just plug the cable into a USB port. 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. Full-Size Comfort, Ambidextrous Design_ Designed to keep either hand happy. So you’ll feel comfortable, even after hours of use. Optical Tracking_ You’ll enjoy responsive, smooth cursor control, precise tracking and easy text selection thanks to optical tracking. Built by Logitech_ This mouse comes with the quality and design we’ve built into more than a billion mice, more than any other manufacturer.