Fly through long documents and web pages with just a flick of a nearly frictionless scroll wheel. Or press the wheel and shift to click-to-click mode for precise navigation. This full-size mouse has soft side rubber grips and a sculpted design that give you more palm support and better control for long hours of productivity at the office or at home. Use Logitech software OPTIONS and the 7 programmable buttons to customize efficient, task-specific shortcuts such as back-forward navigation, copy-paste, music controls, and more. Optical Sensor with adjustable 400-4000 DPI levels for fast, precise cursor control tailored to your needs and movements on your laptop or computer -no mousepad needed. The wired Advanced Corded M500s works right out of the box just plug it into your USB port and you are good to go- no battery needed. Now with high precision optical tracking including 400-4000 adjustable DPI and Logitech Software OPTIONS support for enhanced customization of the 7 buttons.