Its the cool full corded mouse at a comfortable price. Simple to set up and use. Setup is fast and easyjust plug the cable into a USB port. Theres no software to install. And since its corded you can just plug the cable into a USB port and use it right away.High-definition optical tracking. Youll enjoy responsive smooth cursor control and precise tracking and easy selection thanks to high-definition optical tracking (1 dpi). fulll comfort ambidextrous design. Designed to keep either hand happy. So youll feel comfortable even after hours of use.Blt by Logitech. This mouse comes with the quality and design weve blt into more than a billion mice more than any other manufacturer.