This Logitech Trackman Wired Wheel Trackball is a gray mouse with a unique wheel trackball design, allowing for precise cursor movement. It features a maximum DPI of 1000 and is equipped with optical tracking technology for smooth performance. With ergonomic design elements, a grip feature, and 4-way scrolling capabilities, this right-handed mouse offers a comfortable and efficient user experience. Its connectivity options include PS/2 and USB, making it versatile for various computer setups. With three buttons and a sleek design, the Logitech Trackman is a reliable and user-friendly pointing device for any computer system.