The Kensington Pro Fit Ergo TB450 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 TB450 utilises 50% recycled material, reducing the use of new plastics. Bluetooth Low Energy or 2.4GHz wireless connectivity offer maximum flexibility. The TB450 also features a long battery life, a patented ball ejection system that simplifies cleaning and precise optical tracking.