The Kensington Turbo Mouse TrackBall Model 64210 Version 5 ADB is a vintage mouse designed for Apple Macintosh computers. Specifically, it is a trackball mouse that offers ADB connectivity. With its retro design and compatibility with classic Apple machines, this Kensington product allows users to navigate their computers with precision and control. Perfect for vintage computing enthusiasts looking to add a unique and authentic touch to their setup, this mouse offers a nostalgic feel and functionality that is hard to come by in modern technology.