The Targus USB Optical Laptop Mouse is a three-button mouse with an ergonomic design to provide comfort while in use. Designed for both left and right-handed users, the mouse features an integrated scroll wheel making it easy to navigate through web pages or lengthy spreadsheets at a quick pace. Featuring a 5ft. 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. Large enough for comfortable desktop use, this mouse is also small enough to fit inside of a laptop case for easy travel.