The Kensington Pro Fit Ergo TB550 Trackball allows users to effortlessly transition from a mouse to a trackball and unlock the ergonomic advantages and space-saving benefits it offers. With its thoughtful design, the TB550 utilises 51% recycled material, reducing the use of new plastics. Bluetooth Low Energy or 2.4GHz wireless connectivity offer maximum flexibility. The TB550 also features a rechargeable battery, a 4D scroll wheel and a patented ball ejection system that simplifies cleaning.