The Vintage 1991 Logitech TrackMan Portable Serial Trackball Mouse T-CC3 with side-mounting rails is a rare and sought-after piece for collectors and retro-computing enthusiasts. This trackball mouse, made by the reputable brand Logitech, offers a unique and nostalgic way of navigating on your computer. With its trackball design, it provides a tactile and precise control experience that is different from modern mice. This product also includes drivers, ensuring compatibility with a variety of systems for a seamless user experience.