Mouse M100 with high-definition optical tracking setup is fast and easy. Can just plug the cable into a USB port and use it right away. Left-handed or right, you will be comfortable hour after hour with this full-size, ambidextrous design. You can not go wrong with precise optical tracking. It is a smooth mover with or without a mouse pad. There is no software to install and since it is corded, you can just plug the cable into a USB port and use it right away. Designed to keep either hand happy. So you will feel comfortable, even after hours of use.