Discover ergonomic control with the Kensington Pro Fit Ergo TB550 Trackball, a right‑hand focused trackball device that offers dual‑mode wireless connectivity — RF (2.4 GHz) and Bluetooth Low Energy (LE). Its ergonomic 45° tilt design improves wrist and forearm alignment, while the thumb‑operated 34 mm optical trackball delivers smooth cursor movement. The built‑in rechargeable battery supports up to around four months of use per charge
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.
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.
Specifications
| Mouse |
| Bluetooth Low Energy (BLE) |
Yes |
| Bluetooth version |
3.0 |
| Frequency band |
2.4 GHz |
| Multi-device support |
Yes |
| Number of movement resolution modes |
4 |
| Customizable movement resolution |
Yes |
| Number of programmable buttons |
7 |
| Programmable mouse buttons |
Yes |
| Buttons type |
Pressed buttons |
| Buttons quantity |
9 |
| Scrolling directions |
Vertical |
| Number of scroll wheels |
1 |
| Scroll type |
Trackball/Wheel |
| Movement resolution |
1600 DPI |
| Movement detection technology |
Trackball |
| Device interface |
RF Wireless + Bluetooth |
| Purpose |
Office |
| Design |
| LED indicators |
Yes |
| Material |
ABS synthetics, Aluminium, Plastic, Rubber |
| Surface coloration |
Monochromatic |
| Product colour |
Black, Grey |
| Ergonomic design |
Yes |
| Form factor |
Right-hand |
| Ergonomics |
| Plug and Play |
Yes |
| Wireless range |
10 m |
| Power |
| Service life of battery |
4 month(s) |
| USB Type-C charging port |
Yes |
| Battery capacity |
500 mAh |
| Battery technology |
Lithium |
| Battery type |
Built-in battery |
| Number of batteries supported |
1 |
| Rechargeable |
Yes |
| Power source |
Batteries |
| System requirements |
| Other operating systems supported |
ChromeOS |
| Mobile operating systems supported |
iPadOS 17.1.1, iPadOS 17.4, iPadOS 17.5 |
| Mac operating systems supported |
Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura, Mac OS X 14.0 Sonoma, Mac OS X 15.0 Sequoia |
| Windows operating systems supported |
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 Enterprise, Windows 11 Enterprise x64, Windows 11 Home, Windows 11 Pro, Windows 11 x64 |
| Operational conditions |
| Operating relative humidity (H-H) |
0 - 85% |
| Storage temperature (T-T) |
-15 - 60 °C |
| Operating temperature (T-T) |
0 - 40 °C |
| Weight & dimensions |
| Receiver weight |
1.7 g |
| Receiver height |
6.5 mm |
| Receiver depth |
1.91 cm |
| Receiver width |
1.5 cm |
| Weight |
142.6 g |
| Height |
50 mm |
| Depth |
138 mm |
| Width |
93 mm |
| Packaging data |
| Package type |
Box |
| Package height |
169 mm |
| Package weight |
268 g |
| Package depth |
104 mm |
| Package width |
59 mm |
| Cables included |
USB Type-A to USB Type-C |
| Quantity per pack |
1 pc(s) |
| Packaging content |
| User guide |
Yes |
| Warranty card |
Yes |
| Batteries included |
Yes |
| Receiver type |
Nano receiver |
| Wireless receiver interface |
USB Type-A |
| Receiver included |
Yes |
| Battery |
| Battery capacity |
500 mAh |
| Sustainability |
| Compliance certificates |
CB, CE, Federal Communications Commission (FCC), RCM |
| Technical details |
| Weight |
142.6 g |
| Other features |
| Package weight |
268 g |
