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.

System requirements
Windows operating systems supported	Windows 10
Mac operating systems supported	Yes
Mobile operating systems supported	iOS 16
Other operating systems supported	ChromeOS
Weight & dimensions
Width	93.4 mm
Depth	138.2 mm
Height	50.1 mm
Weight	142.6 g
Receiver width	1.5 cm
Receiver depth	1.91 cm
Receiver height	6.5 mm
Receiver weight	1.7 g
Power
Power source	Batteries
Rechargeable	Yes
Number of batteries supported	1
Battery type	AA
Battery technology	Alkaline
Battery capacity	500 mAh
Service life of battery	4 month(s)
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-15 - 60 °C
Operating relative humidity (H-H)	0 - 85%
Packaging data
Quantity	1
Package width	59 mm
Package depth	104 mm
Package height	169 mm
Package weight	268 g
Package type	Box
Ergonomics
Wireless range	10 m
Plug and Play	Yes
Packaging content
Receiver included	Yes
Wireless receiver interface	USB Type-A
Receiver type	Nano receiver
Batteries included	Yes
User guide	Yes
Warranty card	Yes
Design
Form factor	Right-hand
Product colour	Black, Grey
Ergonomic design	Yes
Surface coloration	Monochromatic
Material	ABS synthetics, Aluminium, Plastic, Rubber
LED indicators	Yes
Mouse
Purpose	Office
Device interface	RF Wireless + Bluetooth
Movement detection technology	Trackball
Scroll type	Trackball/Wheel
Buttons quantity	9
Buttons type	Pressed buttons
Movement resolution	1600 DPI
Customizable movement resolution	Yes
Number of movement resolution modes	4
Multi-device support	Yes
Programmable mouse buttons	Yes
Number of programmable buttons	7
Number of scroll wheels	1
Scrolling directions	Vertical
Frequency band	2.4 GHz
Bluetooth version	3.0
Bluetooth Low Energy (BLE)	Yes
Certification	CB, CE, FCC, ISED, Telec, RCM, SRRC, DoE, CEC, NRCan, BQB, WHQL
Logistics data
Country of origin	China