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Kensington Expert Mouse Wired Trackball

BH #KEMEPU • MFR #K64325
221 reviews
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Kensington Expert Mouse Wired Trackball
Key Features
  • DiamondEye Optical Tracking Technology
  • Scroll Ring for Comfortable Operation
  • Detachable Wrist Pad
  • Compatible with Windows and Mac Systems
Enjoy comfortable control and accuracy with the Kensington Expert Mouse Wired Trackball. Starting with an ergonomic design including built-in wrist rest, four easily accessible buttons, and a scroll ring surrounding the ball itself, the Expert Mouse offers users maximum control at their fingertips. Diamond Eye optical technology provides you with extreme precision while navigating. Additionally, this Trackball is cross-platform compatible.
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Connection Type
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Kensington Expert Overview

From Manufacturer

Enjoy comfortable control and accuracy with the Kensington Expert Mouse Wired Trackball. Starting with an ergonomic design including built-in wrist rest, four easily accessible buttons, and a scroll ring surrounding the ball itself, the Expert Mouse offers users maximum control at their fingertips. Diamond Eye optical technology provides you with extreme precision while navigating. Additionally, this Trackball is cross-platform compatible.

Scroll Ring
Scroll comfortably with a minimum of wrist movement with this handy scroll ring immediately surrounding the track ball.
Diamond Eye Optical Technology
Optical sensors provide users with a maximum amount of control over their cursor.
Built-In Wrist Rest
A built in wrist rest provides support and prevents Carpal Tunnel syndrome.
UPC: 000004427278

Kensington Expert Specs

Mouse
dpi
400
Scroll Type
Scroll Wheel
Number of Buttons
4
Mouse Hand Orientation
Ambidextrous
LED Indicator
No
Trackball Size
2.2" / 55 mm
Connectivity
Connection
Wired: USB-A Cable (Non-Removable)
Full-Functionality OS Support
Chrome OS, Mac, Windows
General
Color
Gray
Packaging Info
Package Weight
1.335 lb
Box Dimensions (LxWxH)
8.2 x 6.6 x 4.1"

Kensington Expert Reviews

Comfortable and Pleasant

By Reed
Rated 5 out of 5
Date: 2026-02-22

great way to navigate, takes about a day to get used to, then it is second nature.

There are few TRACK BALL companies

By Philip
Rated 5 out of 5
Date: 2025-09-11

And I have tried most of them. having lost the Blue Tooth dongle (it Happens), I decided to do a USB wired Device. I had used other Kensington products, and said Try theirs. OUTSTANDING ! ! ! As I am currently using an Android tablet, I am only using the Left thumb button, but I am TRANSITIONING to a New Linux Laptopn, and will be happy to use ALL the features of the device. BIGGEST seling point: The Ball itself is larger, so less movement needed The Scrolling up/down feature is unique: a RING, around the ball area Clockwise DOWN PAGE, Counterclockwise, UP PAGE, (Nice) ;-) If you USE trackballs, or are needing that concept, I have used trackballs EXCLUSIVELY, for 20 years, and now KENSINGTON is my brand.

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