. Product OverviewLogitech B100 Black Optical Mouse for BusinessSimple 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.High-definition optical tracking. You'll enjoy responsive smooth cursor control and precise tracking and easy text selection thanks to high-definition optical tracking (1000 dpi).Full-size comfort ambidextrous design. Designed to keep either hand happy. So you'll feel comfortable even after hours of use..