The Kensington Orbit USB PS2 Trackball Vintage Mouse Model 64226 is a grey trackball mouse that offers a unique and ergonomic design for precise cursor control. With a wired USB connectivity, this vintage mouse features optical tracking method and 2 buttons for easy navigation. The Kensington brand ensures quality and reliability, making it a sought-after choice for those looking for a durable and functional trackball mouse for their computing needs.