Ergonomic Design

A sculpted design provides all-day comfort. The Pro Fit Ergo TB550 features a unique 45° tilt that helps improve wrist and forearm alignment, and an enhanced 4D scroll wheel for an intuitive user experience.

Dual Wireless (Bluetooth Low Energy (LE) + 2.4GHz) Connection Capability

The Pro Fit Ergo TB550 includes a choice of Bluetooth Low Energy (LE) and 2.4GHz wireless connection (2.4GHz nano receiver included).

Rechargeable Battery

The Pro Fit Ergo TB550 provides up to 4 months of battery life with a single charge via USB-C port.

Made With 70% Post-Consumer Recycled ABS

51% of overall plastic is recycled plastic.

Patented Cleaning System

The Pro Fit Ergo TB550's unique, easy-to-clean design features a built-in trackball ejection button to effortlessly remove the trackball for cleaning when needed.

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).

Plug & Play Installation

Users will be up and running quickly thanks to Plug & Play Installation for simple setup. The trackball features 7 programmable buttons that can be personalized with free KensingtonWorks software to enhance productivity.

128-bit AES Encryption

The Pro Fit Ergo TB550 includes government-grade 128-bit AES encryption for enhanced security to deter hackers from monitoring wireless connection and capturing sensitive information.

The Pro Fit Ergo TB550 Trackball combines the feel of a wireless mouse with the convenience and accuracy of an advanced trackball. A sculpted ergonomic design with 45° tilt helps improve wrist and forearm alignment. The TB550 takes up less desk space than a conventional mouse and is more comfortable during extended use. Users can choose Bluetooth Low Energy (LE) and 2.4GHz wireless connection options for maximum flexibility. The TB550 offers seven programmable buttons and adds an enhanced 4D scroll wheel that provides intuitive four-direction scrolling. It also features long-life rechargeable battery, made of 51% recycled plastic, and patented ball ejection system for easy cleaning.

• A sculpted ergonomic design provides all-day comfort. The Pro Fit Ergo TB550 features a unique 45° tilt that helps improve wrist and forearm alignment, and an enhanced 4D scroll wheel for an intuitive user experience.
• The Pro Fit Ergo TB550 includes a choice of Bluetooth Low Energy (LE) and 2.4GHz wireless connection (2.4GHz nano receiver included).
• The Pro Fit Ergo TB550's rechargeable battery provides up to 4 months of battery life with a single charge via USB-C port.