Kensington Pro Fit Ergo Vertical Wired Trackball (K75256WW)

Product Features

• Ergonomist-approved design promotes proper wrist, arm, and shoulder alignment to maximize comfort and minimize potential strains.
• Easy-to-use mouse-like shape reduces learning curve when transitioning from a mouse to a trackball.
• Provides more accurate and smooth cursor control, and allows you to easily switch between DPI settings for different cursor speed control.
• A secure wired connection means you’ll never worry about batteries or wireless interference.
• Use the plug-and-play default settings, or download KensingtonWorks software to set pointer and scrolling options and professionally customize nine buttons to tackle common tasks with one touch.
• Unique easy-to-clean design features a button to eject the trackball for easy cleaning.