The Targus 3-Button USB Full-Size Optical Mouse features an ergonomic design to provide comfort while in use. Designed for both left and right-handed users and sized for comfortable desktop use, this mouse features an integrated scroll wheel making it easy to navigate through numerous web pages or lengthy spreadsheets at a quick pace. Featuring a 6ft. USB connection and a 1,000 DPI optical sensor, this cost effective mouse is easy to use - simply plug and play. No drivers are required.