The Vintage Tandy Computer Handheld Trackball Mouse is a rare find from the early days of personal computing. This handheld trackball mouse, model CAT No. 25-2003, comes in its original box and features a unique 3-button design. With connectivity options including standard 9-pin serial, PS/2, and wired connection, this mouse offers a touch of nostalgia for collectors and enthusiasts of vintage technology. The Tandy brand brings reliability and authenticity to this piece of computer history, making it a valuable addition to any collection.