Expert Mouse® Wired Trackball with Optical Tracking
The Expert Mouse® Wired Trackball is the ultimate productivity enhancer that makes working at the desk quicker, more accurate and extremely comfortable for your hand and wrist. Featuring DiamondEye™ technology, the trackball uses optical tracking to precisely follow small flecks embedded in the large 55mm ball to provide smooth, accurate cursor control. The four buttons are customizable using our highly intuitive KensingtonWorks™ software, while our award-winning Scroll Ring lets you quickly scan up and down web pages and large documents. Add it all up and you get exceptional comfort and ease-of-use that has set the industry standard for more than 20 years.
- KensingtonWorks™ lets you customize all 4 buttons and set cursor speeds
- DiamondEye™ optical tracking technology for premium cursor control and accuracy
- Award-winning Scroll Ring lets you scan up and down pages with ease
- Large 55mm ball is designed as a perfect sphere to provide exceptional precision
- Detachable wrist rest supports hand and wrist for ergonomic comfort
- Reliable wired USB connection
Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 4 buttons, as well as controlling the pointer speed and scrolling speed.
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
Spin the dial to move up and down web pages or documents with complete ease while the grey ball has been specially designed with an absolute spherical, hard surface for precise tracking and control.
Works equally well for both right-handed and left-handed users to get the most out of their trackball.
Detachable Wrist Rest
Soft cushioning cradles the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer.
If you are not satisfied with your Kensington purchase, please call 1-800-243-2972 within 30 days of receipt to obtain a Return Material Authorization (RMA) number and instructions. We're available to support you from Monday - Friday from 7:30am until 6:30pm PT.
Products may be returned for a full refund of the product purchase price plus applicable taxes within 30 days of receipt. Orders may be subject to a 20% restocking fee and all shipping and handling charges are the responsibility of the customer. All refunds will be refunded via the payment method the order was received.
Kensington recommends that you use a carrier that offers tracking for all returns and that you insure your package and declare the full value of the shipment so that you are protected if shipment is lost or damaged in transit. If you choose not to use these services, you are responsible for any loss or damage to the product during shipping. To ensure proper credit, packages should be returned with clearly marked with the RMA number and packing slip placed in the shipment prior to returning to Kensington. If you return product without an RMA number, your shipment will be refused and returned to you at your expense.
If you discover what you believe is a product defect for any Kensington product, please contact Customer Support at 1-800-243-2972. If your product does have a defect, your product is covered under the terms of your product's warranty. Please refer to the warranty information and other supporting documentation that came with your product.
If you receive a damaged product, you must notify Kensington within 48 hours of delivery at 1-800-243-2972. Kensington will investigate the claim and notify the freight company of the damage. Please retain all packaging in the event that Kensington or the freight company needs to inspect it. These investigations may take several days but merchandise replacements will be processed as soon as possible.