Pro Fit® Ergo TB550 Trackball

About This Trackball

Using a mouse may feel familiar, but it can also provide less-than-precise navigation, cramped desk space — and cramped hands.
The Pro Fit® Ergo TB550 Trackball brings the comfort and convenience of trackball technology to users who want to improve wrist and forearm alignment or work in tight areas with limited desktop space. An ideal solution for people who want to try a trackball for the first time, it is made of 51% recycled plastic and includes long-life rechargeable battery, enhanced 4D scroll wheel, choice of Bluetooth® Low Energy (LE) and 2.4GHz wireless connection options for maximum flexibility, and patented ball ejection system for easy cleaning.

Dual Wireless Connection Capability

The TB550 includes a choice of Bluetooth® Low Energy (LE) and 2.4GHz wireless connection (2.4GHz nano receiver included).
* Bluetooth 3.0 not supported

High-Quality Optical Tracking

An optical sensor accurately tracks the 34mm thumb-operated trackball, giving users smooth cursor control and optimal precision. The trackball features 4 switchable cursor speeds (400, 800, 1200, and 1600 DPI).

Ergonomic Design

The sculpted design provides all-day comfort and features a unique 45° tilt that helps improve wrist and forearm alignment.

Enhanced 4D Scroll Wheel

Enhanced 4D scroll wheel supports both vertical and horizontal scrolling.

51% of Overall Plastic is Recycled Material

Kensington is committed to help reduce the impact of plastic on the global environment.

Rechargeable Battery

The Pro Fit® Ergo TB550 provides up to 4 months of battery life with a single charge.

Patented Cleaning System

The unique, easy-to-clean design features a built-in ejection button to effortlessly remove the trackball for cleaning when needed.

Plug & Play Installation

Users will be up and running quickly thanks to simple setup. The trackball features 7 programmable buttons that can be personalized with free KensingtonWorks™ software.

Flexible Control Customization

Free downloadable KensingtonWorks™ software provides an easy-to-configure personalized experience, letting you assign a wide variety of program functions to 7 programmable buttons with KensingtonWorks™ installed.

128-bit AES Encryption

The TB550 includes government-grade encryption for enhanced security to deter hackers.

PC and Mac® Compatible

Supports Windows 10 and above, macOS 10.14 and above, ChromeOS V91 and above, iPadOS 16.4.1 and above.