The wired valumouse features a three buttonscroll wheel setup that offers silent clicking when you need to get work done and donrsquot want to disturb anyone in a quiet environment a high definition optical sensor provides reliable and responsive control when yoursquore navigating and the comfortable contoured shaping feels great for either right handed or left handed users it offers plug amp play installation with a standard usb wired connection and is built to last with a 5 year limi