The Kensington Orbit Wireless Trackball in Black/Red (Model K72352US) is an adjustable trackball mouse manufactured by Kensington. It features a wireless RF connectivity option and a sleek black color. With a compact size of 7.19 inches in length, 2.00 inches in height, and 3.39 inches in width, this trackball is perfect for users looking for a comfortable and precise pointing device. The trackball offers a unique tracking method that allows for smooth and precise cursor movement, making it a reliable choice for computer and tablet users.