This Microsoft Trackball Explorer mouse is a high-quality input device designed to provide precision control and comfort during extended use. With a maximum DPI of 1500, it offers excellent accuracy for even the most demanding tasks. The ergonomic design is optimized for right-handed use and includes programmable buttons, grip, thumb button, scroll wheel, LED lighting, side to side scrolling, and 4-way scrolling. The optical tracking method ensures smooth and precise movement on any surface. This mouse is available in gray color and was manufactured in China. It is compatible with PS/2, wired, and USB connectivity options. The 5-button configuration makes it perfect for both casual and professional users.