This Microsoft Trackball Explorer 1.0 (X08-70390) USB Optical Mouse is a reliable and ergonomic input device designed to enhance your computing experience. With programmable buttons, a scroll wheel, and optical tracking method, you can easily navigate through your computer files and programs. The mouse is also equipped with five buttons, making it an efficient tool for gaming, designing, or any other task that requires precise control.

The mouse comes in a sleek gray color and is compatible with USB connectivity. Its model number is X08-70390 and it is in excellent working condition. This Microsoft Trackball Explorer 1.0 (X08-70390) USB Optical Mouse has been tested and is ready for use.