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Kensington Expert Mouse Trackball
Wired trackball with a billiard-ball-size sphere. Eliminates wrist movement entirely — the trackball most-recommended by occupational therapists for users with RSI.
Quick Answer
- Is the Kensington Expert Mouse Trackball worth buying in 2026?
The Kensington Expert Mouse offers massive ergonomic benefits for office workers suffering from wrist strain. While it requires a period of adjustment and is entirely unsuited for gaming, its large ball, customizable buttons, and unique scroll ring make it a top-tier productivity
The Kensington Expert Mouse offers massive ergonomic benefits for office workers suffering from wrist strain.
Aggregated from 9,100 reviews across YouTube, Reddit, and Amazon
+Pros
- ✓Significant ergonomic benefits that reduce wrist and hand strain
- ✓Large, smooth trackball allows for effortless cursor navigation
- ✓Four highly customizable buttons via Kensington's companion software
- ✓Ambidextrous design works equally well for left and right-handed users
- ✓Scroll ring provides a more natural scrolling motion than traditional mice
−Cons
- ✗Steep learning curve for users accustomed to traditional mice
- ✗Completely unsuitable for fast-paced gaming
- ✗Scroll ring inertia can occasionally lead to accidental scrolling
- ✗Long cursor movements across dual monitors can feel less precise
In-depth Review
Kensington Expert Mouse Trackball Review — A weird, retro-looking peripheral proves that sometimes flipping the traditional mouse upside down is the best thing for your productivity
Specifications
| type | Optical trackball |
| connectivity | Wired USB |
| buttons | 4 + scroll ring |
| warranty | 5 years |
After 6+ Months
Why this accessory
If you've had any wrist tendonitis or carpal tunnel, this is the input device. Standard mouse keeps loading the wrist; trackball doesn't.
Build & specs
| Spec | Value |
|---|---|
| Type | Optical trackball |
| Connectivity | Wired USB |
| Buttons | 4 + scroll ring |
| Warranty | 5 years |
Last updated: April 30, 2026 · By Alex Rivera
