Logitech® MX310 Optical Mouse, Black/Silver

This is not your ordinary optical mouse. The Logitech MX310 Optical Mouse features Logitech's MX Optical Engine which delivers 800 dpi, 4.7 megapixel-per-second tracking for precision mousing on most surfaces. It also features Web forward and back buttons for high-speed Internet surfing, an ambidextrous design, a scroll wheel and a quick switch program selector that lets you change between active programs. It is IBM/PC and Macintosh compatible with USB and PS/2 connectivity. Manufacturer's 5-year warranty.