Kensington Expert Mouse Wireless Trackball

Product Description
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Eliminate the most common mousing pitfalls of reaching, gripping and twisting with the Expert Mouse Wireless Trackball. 

Ambidextrious design reduces wrist, hand and forearm fatigue by sharing the workload between both hands. Suitable for both left and right-hand users


  • TrackballWorks™ software lets you customize all 4 buttons, adjust cursor speed (compatible with Mac only when using 2.4GHz connection)
  • DiamondEye™ optical tracking technology for premium cursor control and accuracy
  • Award-winning Scroll Ring lets you scan up and down pages with ease
  • Perfect sphere provides exceptional precision
  • Detachable wrist rest supports hand and wrist for ergonomic comfort
  • Auto-sleep helps conserve AA battery life


  • Wireless connection via Bluetooth® 4.0 LE or USB nano receiver
  • Compatibility with USB receiver: Windows® 10, 8.1, 8, 7 and Mac OS X 10.8 and later
  • Compatibility with Bluetooth 4.0 LE: Windows® 10, 8.1 and Mac OS X 10.8 and later


Dual Wireless Technology

Dual Wireless Technology

Connects either via Bluetooth® 4.0 LE (saving a valuable USB port) or through a 2.4GHz USB nano receiver


TrackballWorks™ Customization

TrackballWorks™ Customization


Free downloadable software enables you to assign program functions to each of the 4 buttons, as well as adjusting cursor and scrolling speeds



    DiamondEye™ Optical Tracking

    DiamondEye™ Optical Tracking

    Movement detection technology provides smooth, precise cursor control so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency
      Scroll Ring and Large Ball

      Scroll Ring and Large Ball

      Spin the dial to move up and down web pages or documents with complete ease. The red ball has been specially designed with an absolute spherical, hard surface for precise tracking and control.
        Ambidextrous Design

        Ambidextrous Design

        Works equally well for both right-handed and left-handed users to get the most out of their trackball

        Detachable Wrist RestDetachable Wrist Rest

        Soft cushioning cradles the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer


        Depth 102mm
        Width 180mm
        Height 260mm
        Weight 0.654kg


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