Standards List: Adaptive Technology

Mouse: Large Trackball

The Department of Human Services has made a Statement of Assurance to provide comparable access for individuals with disabilities. In compliance with the ADA, which makes it unlawful to discriminate in employment against a qualified individual with a disability, employers must reasonably accommodate the disabilities of qualified applicants or employees, unless undue hardship would result.

  • BIT will set standards for assistive devices.
  • Telecommunications will set standards for the support of devices.
  • Bureau of Personnel will set standards for training employees with disabilities in the use of standard devices.

This technology will be applied to individual computers as new technology. This technology will be available to all employees requiring assistive technology.

Kensington Expert Mouse Pro

Designed for PCs and Macs®, the Expert Mouse® employs Kensington’s DiamondEye optical technology for smooth, precise cursor movement. Surrounding the ball is implementation of Scroll Rings® that puts scrolling right at the user’s fingertips. The Expert Mouse® comes with a soft wrist rest.


  • Diamond Eye Optical tracking for superior accuracy
  • Award-winning Scroll Ring® for precise fingertip scrolling
  • Exceptional comfort for ultimate productivity
  • Large ball for maximum precision and control
  • Detachable wrist rest cradles hand in comfort


  • Compatible with Windows Vista/7/8.x and Mac OS X

System Requirements

  • PC running Windows Vista or later with an available USB or PS/2 port
  • Mac® running OS X or later with an available USB Port
  • Internet connections or CD ROM drives to install the software


  • Weight .75 lb.
  • Product height is measured to the top of the ball. Housing height is 5.75” L x 2.5” H x 5.0” W
  • Cord length 6 feet
  • Circumference is 55 mm


  • Expert Mouse® is backed by the Kensington 5 Year Warranty and free technical support.

Last Updated: 08/12/2011
Last Reviewed: 11/29/2017

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