Apple Corded Mouse
Perfectly positioned to roll smoothly under just one finger, the Apple Mouse's Scroll Ball offers full 360-degree scrolling capability - up/down, left/right and diagonally. You can scroll long web pages, pan full-size images, maneuver around large spreadsheets, control a video timeline and more. You can even click the Scroll Ball to access your favorite Mac OS X features such as Dashboard, Spotlight or Exposa.
Features USB plug and movement detection technology.
Compatible operating systems: Mac OS X v10.4.8 and Windows XP/Windows 2000.