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You’ll enjoy all-day comfort with this ambidextrous trackball with convenient button controls. 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. Stable base
Your hand stays comfortable all day long with this stay-put design. Plus, it saves you space. Convenient button controls
Buttons let you easily move forward and backward when you're surfing the Web. Fingertip-based control
Fingertip-based control provides you with fast, accurate cursor movements. Marble® optical technology
Our patented technology gives you smooth tracking on almost any surface so you can be productive wherever you work. System Requirements Windows-based computer- Windows® XP, Windows Vista ,Windows
- USB port
- CD-ROM drive
Mac® computer- Mac OS X 10.4 or later
- USB port
- CD-ROM drive
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