More Control and Precision Easy thumb control makes excellent tracking and accuracy part of your daily routine.
Work Faster with App-Specific Customizations The MX ERGO is fully customizable in every app you use and youll work faster with predefined app-specific profiles in the app such as Adobe Photoshop Adobe Premiere Pro Final Cut Pro Google Chrome Safari Microsoft Word Excel and PowerPoint.1 inches (W) x 9. The trackball creates 20 percent less muscle fatigue in your hand wrist and forearm than a regular mouse. The hand-crafted shape of MX ERGO ensures full palm support while the soft rubber offers a comfortable grip.