KensingtonTurbo Mouse 4-button trackball for Macintosh

The Turbo Mouse has already won more awards than any Macintosh input device in history. That's because of our commitment to combining the best hardware with the most up-to-date software features. Now, by matching our customizable software with a new 4-button design, the best just got better

Four-button design allows you to get more fingers in on the action. And its flexible, symmetrical trackball design fits any size hand.