Kensington TB450 Wireless Trackball Mouse

Name: Kensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72194WW), Black-Blue
Brand: Unbranded
SKU: B0CF8874DR
Price: 29.99 USD
Availability: InStock

Bottom line: The Kensington TB450 Wireless Trackball Mouse ($29.99 on Amazon as of 2026-10-06): 45-degree tilt to improve wrist and forearm alignment; main trade-off: thumb-ball control takes time to learn if you're used to a standard mouse.

$29.99

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Buy on Amazon — $29.99 Compare to similar keyboards & mice

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

✓ 45-degree tilt to improve wrist and forearm alignment
✓ Bluetooth LE plus 2.4GHz nano receiver included
✓ Pairs with up to 3 devices for desk-to-laptop switching
✓ 4 DPI steps: 400, 800, 1200 and 1600
✓ Up to 18 months of battery life on 2.4GHz

Cons

✗ Thumb-ball control takes time to learn if you're used to a standard mouse
✗ 1600 DPI ceiling may feel slow on large multi-monitor setups
✗ Ball needs periodic cleaning to prevent sticky or slow tracking
✗ Battery life drops to 15 months on Bluetooth vs 18 on 2.4GHz

Manufacturer description

The Kensington TB450 Wireless Trackball Mouse puts cursor control under your thumb, so your arm stays still while the 34mm ball does the work. Part of Kensington's Pro Fit Ergo line, it has a sculpted shell and a 45-degree tilt meant to improve wrist and forearm alignment through a long workday. You can connect over Bluetooth Low Energy or the included 2.4GHz nano receiver and pair up to three devices. That lets you move between a desktop, a laptop and a tablet without re-pairing. The optical sensor tracks the thumb ball precisely, and four DPI settings (400, 800, 1200 and 1600) let you…

SpecPicks Verdict

SpecPicks scored Kensington TB450 Wireless Trackball Mouse using a rating × review-volume × price-fit model applied to published specs and reviews across the keyboards & mice category. Compare with similarly-priced alternatives in the keyboards & mice category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Can the Kensington TB450 connect to more than one computer?

Yes. The TB450 can connect to up to 3 devices, using either Bluetooth Low Energy or the included 2.4GHz nano receiver.

How long does the battery last on the TB450?

Kensington rates it at up to 18 months of use on the 2.4GHz connection and up to 15 months on Bluetooth. Check the product listing for the battery type and whether batteries are included.

What DPI settings does the TB450 trackball offer?

It has four DPI options: 400, 800, 1200 and 1600. You can switch between slower, precise movement and faster cursor travel.

How do I clean the trackball if the cursor feels sticky?

The TB450 has a patented ball ejection system, so you can pop out the 34mm ball and clean it and the sensor area. Kensington notes that stickiness, slowness and scrolling problems usually mean it needs cleaning.

Is the TB450's wireless connection secure?

Yes. The TB450 uses 128-bit AES encryption, which helps stop others from monitoring the wireless connection or capturing what you enter.

Key Features

Ergonomic Design - The sculpted ergonomic design and smooth thumb control provides all-day comfort and features a unique 45° tilt that helps improve wrist and forearm alignment
Dual Wireless Connectrion - TB450 includes a choice of Bluetooth Low Energy (LE) and 2.4GHz wireless connection (2.4GHz nano receiver included)
Long Battery Life - TB450 has long battery life means up to 18 months of use with 2.4GHz and up to 15 months of use with Bluetooth
High-Quality Optical Tracking - A high-quality optical sensor accurately tracks the 34mm thumb-operated trackball, giving users smooth cursor control and optimal precision. The TB450 offers easy cursor speed transitions with 4 DPI options: 400, 800, 1200, 1600
128-bit AES Encryption - include government-grade 128-bit AES encryption for enhanced security to deter hackers from monitoring wireless connection and capturing sensitive information

Full Specifications

Brand	Kensington
Color	Black/Blue
Range	10.0 meters
Model Name	ProFit Ergo TB450
Style Name	Thumb Operated
Unit Count	1.0 Count
Connectivity	Bluetooth, 2.4GHz
Model Number	K72194WW
Power Source	Battery Powered
Built-In Media	1 x AA Alkaline Battery, Pro Fit® Ergo TB450 Trackball, Quick Start Guide, Compliance Sheet, USB-A Receiver, Warranty Card, Welcome Card
Button Quantity	6
Connection Type	Wireless
Mfr Part Number	K72194WW
Special Feature	Ergonomic Design, Lightweight, Programmable Buttons, Wireless
Antenna Location	Office
Hand Orientation	Right
Hardware Platform	Mac, PC
Compatible Devices	Personal Computer, Tablet
Enclosure Material	Plastic
Movement Detection	Trackball
Full listing title	Kensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72194WW), Black-Blue

Ready to buy?

Kensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72194WW), Black-Blue is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $29.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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