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Kensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72174WW), Black-Red

Kensington TB450 Wireless Trackball Mouse

Bottom line: The Kensington TB450 Wireless Trackball Mouse: 34mm thumb ball with 4 DPI steps: 400, 800, 1200, 1600; main trade-off: thumb-operated ball takes days of retraining if you come from a mouse.

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By , Founder & Editor-in-Chief · Listing data updated

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.

Pros & Cons

Pros

  • ✓ 34mm thumb ball with 4 DPI steps: 400, 800, 1200, 1600
  • ✓ 45-degree tilt keeps wrist and forearm aligned during long sessions
  • ✓ Up to 18 months on 2.4GHz, 15 months on Bluetooth LE
  • ✓ Pairs across 3 devices via Bluetooth LE or bundled 2.4GHz nano receiver
  • ✓ Patented ball ejection makes cleaning out grit a 10-second job

Cons

  • ✗ Thumb-operated ball takes days of retraining if you come from a mouse
  • ✗ Right-hand-only sculpt, no left-handed version of the TB450
  • ✗ 1600 DPI ceiling trails gaming mice on high-resolution displays
  • ✗ Nano receiver occupies a USB-A port and is easy to misplace

Manufacturer description

The Pro Fit Ergo TB450 Trackball brings the familiar feel of a mouse to a simple-to-use wireless trackball with a unique ergonomic design. It includes Bluetooth Low Energy (LE) and 2.4GHz wireless connection options for maximum flexibility, and 50% of overall plastic is recycled material. The Pro Fit Ergo TB450 also features long battery life, patented ball ejection system for easy cleaning, and precision opticaltracking technology. If you’re experiencing issues with your trackball mouse such as stickiness, slowness, or scrolling problems, it’s likely that it needs cleaning. Follow the steps…

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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.

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

BrandKensington
ColorBlack/Red
Range33 feet
Style NameThumb-Operated
Unit Count1 Count
ConnectivityBluetooth, 2.4GHz
Power SourceBattery Powered
Button Quantity6
Connection TypeWireless
Special FeatureErgonomic Design, Lightweight, Programmable Buttons, Wireless
Antenna LocationOffice, School
Hand OrientationRight
Hardware PlatformMac, PC
Compatible DevicesPersonal Computer, Tablet
Enclosure MaterialPlastic
Movement DetectionTrackball
Additional FeaturesErgonomic Design, Lightweight, Programmable Buttons, Wireless
Included Components1 x AA Alkaline Battery, Pro Fit® Ergo TB450 Trackball, Quick Start Guide, Compliance Sheet, USB-A Receiver, Warranty Card, Welcome Card
Number of Batteries1 AA batteries required. (included)
Battery Average Life18 months
Full listing titleKensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72174WW), Black-Red

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Kensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72174WW), Black-Red 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.

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Kensington TB450 Wireless Trackball Mouse, Bluetooth LE & 2.4GHz Connection, 4 DPI Options, Connect up to 3 Devices (K72174WW), Black-Red
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