DESC: Apple Mighty Mouse is intuitive, easy to use and designed to accommodate whether you want to use it as a single or multi-button mouse. It features the scroll ball, an innovative technology that lets you scroll in all directions with ease--vertically, horizontally and diagonally. Apple Mouse makes it easy to access key features of Mac OS X version 10.4 Tiger with up to four programmable buttons for quick, one-click access to Spotlight, Dashboard and Expose.