| 51% of overall plastic is recycled material | 
| A high-quality 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) | 
| The Pro Fit? Ergo TB550 includes a choice of Bluetooth? Low Energy (LE) and 2.4GHz wireless connections (2.4GHz USB-A nano receiver included) | 
| The Pro Fit? Ergo TB550 includes government-grade 128-bit AES encryption for enhanced security to deter hackers | 
| The Pro Fit? Ergo TB550's rechargeable battery provides up to 4 months of battery life from a single charge | 
| 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 | 
| Users will be up and running quickly thanks to Plug & Play Installation for simple setup. The TB550 can be personalised with free KensingtonWorksT software to enhance productivity |