The Kensington Mouse·in·a·Box® USB provides reliable optical mouse performance for an attractive price and it´s completely Plug & Play so it works with your computer, right out of the box. Responsive and reliable optical 1000dpi sensor Scroll wheel is ideal for speeding through documents A comfortable, contoured ambidextrous shape that is optimised for everyone Wired 180cm USB cable for battery free reliability PC and Mac® compatible