Ambidextrous trackball design

A trackball design with a long, broad palm area and gentle curves keeps your hand comfortable and supported all day—whether you use your right or left hand.

Convenient button controls

Buttons let you easily move forward and backward when you're surfing the Web

Marble® optical technology

Our patented technology gives you smooth tracking on almost any surface so you can be productive wherever you work.*

Stable base

Your hand stays comfortable all day long with this stay-put design. Plus, it saves you space.

Fingertip-based control

Fingertip-based control provides you with fast, accurate cursor movements.

* Does not work on clear glass or mirrors.