The Kensington Turbo Ring Trackball 64660 is a standard trackball mouse with a wired connectivity option for both PC and Macs. It features an ergonomic design in a sleek gray color, making it comfortable for long use. The trackball method allows for precise cursor movement, while the USB and PS/2 interface ensure compatibility with various devices. With the brand reputation of Kensington, this trackball mouse offers reliability and performance for efficient input on your computer.