7.75
Kensington
Kensington TB550 Trackball Mouse
The Kensington TB550 Wireless Trackball Mouse offers comfort and great performance with its ergonomic design and smooth operation. It does come with a learning curve and some minor inconveniences like the annoying click sound and frequent cleaning requirements. Overall, it's a solid choice for those looking to improve their workstation ergonomics while saving desktop space.
Lowest at Amazon
$49.16 at AmazonLowest at any Popular Retailer
$49.16 at AmazonWhere to Buy
Prices last updated: May 2nd 2026 12:05 am
Product Score
Based on professional reviews and customer feedback
7.75/10
Overall
8/10
Expert
7.5
Consumer
Why this score?
The Kensington Pro Fit Ergo TB550 Trackball receives a moderate score, as it offers an ergonomically designed form that enhances comfort during extended use and versatile connectivity options. However, users have reported a steep learning curve for the scrolling function and inconsistent button responsiveness, leading to mixed feelings about its overall performance, especially for precision tasks. Its pricing reflects its advanced features, but many find competing alternatives more reliable and user-friendly.
8+ Excellent6-8 Good4-6 Average<4 Poor
Score
The Kensington Pro Fit Ergo TB550 Trackball receives a moderate score, as it offers an ergonomically designed form that enhances comfort during extended use and versatile connectivity options. However, users have reported a steep learning curve for the scrolling function and inconsistent button responsiveness, leading to mixed feelings about its overall performance, especially for precision tasks. Its pricing reflects its advanced features, but many find competing alternatives more reliable and user-friendly.
8/10
Expert
7.5/10
Consumer
Pros
- •Comfortable to use
- •Works great once accustomed
- •Excellent build quality
- •Smooth and responsive buttons
- •Good ergonomics
Cons
- •Takes some getting used to
- •Scroll function isn't working well
- •Annoying click sound
- •Need to clean often
- •No replaceable battery
Bottom Line
The Kensington TB550 Wireless Trackball Mouse offers comfort and great performance with its ergonomic design and smooth operation. It does come with a learning curve and some minor inconveniences like the annoying click sound and frequent cleaning requirements. Overall, it's a solid choice for those looking to improve their workstation ergonomics while saving desktop space.
What Reviewers Are Saying
Praised
comfortable to use13%
works great13%
excellent build quality9%
smooth and responsive buttons4%
Criticized
takes some getting used to13%
scroll function isn't working well4%
need to clean often4%
annoying click sound9%
learning curve9%
no replaceable battery4%
Customer Ratings
4.3438 reviews
5
62%
4
19%
3
9%
2
2%
1
7%
Based on 438 reviews from Amazon
Professional Reviews
📚More About Kensington TB550 Trackball Mouse
📝
TLDR Review: Kensington TB550 Trackball Mouse
The Kensington Pro Fit Ergo TB550 Trackball receives a moderate score, as it offers an ergonomically designed form that enhances comfort during extended use and versatile connectivity options. However, users have reported a steep learning curve for the scrolling function and inconsistent button responsiveness, leading to mixed feelings about its overall performance, especially for precision tasks. Its pricing reflects its advanced features, but many find competing alternatives more reliable and user-friendly.
TLDR Review·1 years ago
7.75
Overall
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Discussion
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