The Targus Wired Mini Optical Mouse features the latest optical technology including 800-dpi high resolution for precision and accuracy. This mouse is perfect for the road warrior who needs to save space. Using the "Screen-Scroller" wheel, you can scroll up, down, left or right and alternate between open applications. This optical mouse comes with a standard USB connection for true "plug and play" functionality. On the plane or in the office, this is the perfect mouse.