Microsoft Optical Mouse 200 Black USB

Easy to Set Up and Use No software to install, no feature setup required. Comfortable in Either Hand Use your mouse with your left or right hand--ambidextrous design makes it comfortable either way. Compact Easy to carry along and use on small work spaces. Optical Technology High Performance Optical Technology--no mouse ball. 800 dpi optical sensor delivers greater accuracy and control. Scroll Wheel Move through your documents quickly without having to click on the on-screen scroll bar. 3-Button Mouse Get quick access to the media, programs, and files you use most often with customisable buttons. 3 Year Warranty