The Vintage Kensington Orbit Trackball Mouse, Model 64221, is a classic piece of technology with a 9 pin connector for wired connectivity. This ergonomic mouse features a scroll wheel and mechanical tracking method, making it easy to navigate on your computer. With a sleek gray color and durable construction, this trackball mouse from Kensington is a reliable and stylish choice for those looking for a unique and functional input device for their computer setup.