The Logitech TrackMan Logi T-BC21 USB Wired Amofferextrous Trackball Mouse Vintage is a retro trackball mouse designed by Logitech. This gray mouse features a trackball for precise movement, programmable buttons, a thumb button, and an ergonomic design for comfortable use. With its wired connectivity via USB, this amofferextrous trackball mouse offers a unique and efficient way to navigate on your computer. Perfect for those looking for a nostalgic and functional pointing device with modern features.