Never used. Opened to take photos. Belkin's Trackmaster Vintage Trackball Mouse is a classic addition to any computer setup, offering precise control and a nostalgic feel. With a PS/2 connector, it easily attaches to older computers that support this type of input. The wired design ensures a stable connection without lag, allowing for smooth and responsive movement on any surface. Whether for everyday use or for those who appreciate the click-clack of vintage hardware, this trackball mouse is a fine choice for anyone seeking a reliable and tactile pointing device.