Kensington Pro Fit Ergo TB450 Trackball - Optical - Wireless - Bluetooth/Radio Frequency - 2.40 GHz - White - USB - 1600 dpi - Medium/Large Hand/Palm Size - Right-handed - AA Battery Suppor

The Pro Fit™ Ergo TB450 Trackball combines the feel of a wireless mouse with the precision of a trackball. It uses an ergonomic design with a 45° tilt that helps improve wrist and forearm alignment, takes up less desk space than a conventional mouse, and is more comfortable during extended use. Users can choose Bluetooth (r) Low Energy (LE) and 2.4GH z wireless connection options for maximum flexibility. To help reduce global environmental impacts, the TB450 is made of minimum 50% post-consumer recycled content of the total plastic components*. It also features long battery life, patented ball ejection system for easy cleaning, and precision optical-tracking technology.

*Excludes PCB assembly and dry battery