This is a new open box item.  The item is in perfect working condition and is in never used pristine condition aesthetically as well.

If you're an pro audio, musician, producer, photographer, graphic artist who does extensive editing than this is the trackball mouse for you !

Features

Ergonomic Design

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

 

Ergonomic Design

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

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

 

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

Rechargeable Battery

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

 

Rechargeable Battery

Made With 70% Post-Consumer Recycled ABS

51% of overall plastic is recycled plastic.

 

Made With 70% Post-Consumer Recycled ABS

Patented Cleaning System

The Pro Fit® Ergo TB550’s unique, easy-to-clean designfeatures a built-in trackball ejection button to effortlessly remove thetrackball for cleaning when needed.

 

Patented Cleaning System

High-Quality Optical Tracking

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

 

High-Quality Optical Tracking

Plug & Play Installation

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

 

Plug & Play Installation

128-bit AES Encryption

The Pro Fit® Ergo TB550 includes government-grade 128-bitAES encryption for enhanced security to deter hackers from monitoring wirelessconnection and capturing sensitive information.

 

128-bit AES Encryption

The Pro Fit® Ergo TB550 Trackball combines the feel of awireless mouse with the convenience and accuracy of an advanced trackball. Asculpted ergonomic design with 45° tilt helps improve wrist and forearmalignment. The TB550 takes up less desk space than a conventional mouse and ismore comfortable during extended use. Users can choose Bluetooth® Low Energy(LE) and 2.4GHz wireless connection options for maximum flexibility. The TB550offers seven programmable buttons and adds an enhanced 4D scroll wheel thatprovides intuitive four-direction scrolling. It also features long-liferechargeable battery, made of 51% recycled plastic, and patented ball ejectionsystem for easy cleaning.

 

A sculpted ergonomic design provides all-day comfort. ThePro Fit® Ergo TB550 features a unique 45° tilt that helps improve wrist andforearm alignment, and an enhanced 4D scroll wheel for an intuitive userexperience.

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

The Pro Fit® Ergo TB550’s rechargeable battery provides upto 4 months of battery life with a single charge via USB-C® port.

The Pro Fit® Ergo TB550 is made with 70% post-consumerrecycled ABS. 51% of overall plastic is recycled plastic.

The Pro Fit® Ergo TB550’s unique, easy-to-clean designfeatures a built-in trackball ejection button to effortlessly remove thetrackball for cleaning when needed.

A high-quality optical sensor accurately tracks the 34mmthumb-operated trackball, giving users smooth cursor control and optimalprecision. The trackball features 4 switchable cursor speeds (400, 800, 1200,and 1600 DPI).

Users will be up and running quickly thanks to Plug &Play Installation for simple setup. The TB550 can be personalized with freeKensingtonWorks™ software to enhance productivity.

The Pro Fit® Ergo TB550 includes government-grade 128-bitAES encryption for enhanced security to deter hackers from monitoring wirelessconnection and capturing sensitive information.

ProductSpecifications

Dimensions:

138.16 x 93.44 x 50.1mm (5.44 x 3.68 x 1.97”)