The ViewSonic® MU203 Optical Travel Mouse is a stylish USB mouse that raises the bar for mobility. It's compact so it fits on any desktop and the TWO-TONE FASHIONABLE COLOR COMPLEMENTS YOUR STYLE. The optical technology eliminates the need for a mouse pad, making it the perfect choice for the traveling professional. The MU203 offers an 800 dpi optical sensor for a PRECISE, ACCURATE AND QUICK RESPONSE. Customize your mouse with the programmable third button, and scroll and zoom quickly with the mouse wheel.