Kensington ProFit Ergo Vertical Wired Trackball, Cable, Red, Black, 1 Pack, USB

Ergonomist-Approved Design. Promotes proper wrist, arm, and shoulder alignment to maximize comfort and minimize potential strains. Easy to Use. Reduces learning curve when transitioning from a mouse to a trackball. Premium Precision and Speed. Provides more accurate and smooth cursor control, and allows you to easily switch between DPI settings for different cursor speed control. Secure Wired Connection. Never worry about batteries or wireless interference. Plug and Play or Customize. Use the 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. Give your hand a healthy break. Upgrade to ergonomist-approved comfort and premium cursor control with Kensington's Pro Fit Ergo Vertical Wired Trackball. A 60 tilt angle promotes proper wrist, arm, and shoulder alignment to maximize comfort and minimize potential strains. This mouse-like vertical trackball is easy to learn and offers nine programmable buttons; plug-and-play ease with the ability to customize using KensingtonWorks software; and a unique, easy-to-clean design.; 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.