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Expert Mouse Optical Trackball

The ultimate trackball

Expert Mouse Optical Trackball



About This Product

We may call it a mouse, but the Kensington Expert Mouse® is so much more. It employs our DiamondEye optical technology for smooth and precise cursor control. Surrounding the ball, is an award Scroll Ring that puts scrolling right at your fingertips letting you fly through web pages and documents. There's even a soft wrist rest included with the Expert Mouse® trackball for comfort and convenience no mouse can match. Designed for PCs and Macs and a large ball for exceptional control the Expert Mouse Optical Trackball sets the industry standard.


  • Ambidextrous design for left or right-handed users
  • Detachable wrist rest cradles hand in comfort
  • Four customizable buttons with Kensington TrackballWorks™ software
  • Large 55mm ball for maximum precision, control and comfort
  • Optical DiamondEye technology delivers superior precision
  • PC and Mac® compatible
  • Save time and increase productivity with the award winning click free Scroll Ring
  • Stationary trackball design optimises desk space when compared to a mouse
  • System requirements: PC running Windows 98 or later with an available USB port.** Mac® running OS X or later with an available USB Port.** Internet connections or CD ROM drives to install the software.** Compatible with Windows®7, Windows® XP, Windows Vi
  • Wired 180cm USB cable provides reliability and avoids need for batteries


  • macOS 10.13 or above
  • macOS X 10.10 or above
  • Chrome OS 44 and above
  • macOS 10.8
  • macOS 10.9
  • macOS Sierra 10.12
  • macOS X 10.11
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10


  • UPC: 085896643258
  • Colour: Black
  • Compatibility: Chrome OS 44 and above, macOS 10.8, macOS 10.9, macOS X 10.10 or above, macOS X 10.11, macOS Sierra 10.12, macOS 10.13 or above, Windows 7, Windows 8, Windows 8.1, Windows 10
  • Controls: Customizable Buttons, Scrollring
  • Features: Ambidextrous Design
  • Sensor: Optical
  • Period of Warranty: 5 years
  • Wireless / Wired: Wired


5 yearsYou can get further information on warranties by viewing our FAQs & Warranty page.

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