The Kensington Orbit Trackball Mouse is a brand new product featuring a trackball design with optical tracking method for precise navigation. With a sleek gray color and ergonomic design, this mouse provides a comfortable and efficient user experience. It offers connectivity options through both PS/2 and USB adapters, making it versatile for various computer setups. The manual included ensures users have all the necessary information to set up and use the Kensington Orbit Trackball Mouse effectively. Ideal for those looking for a reliable and convenient mouse for their computing needs.