The ELECOM Wireless Trackball Mouse is designed for ergonomic comfort and precise control. With its large size and smooth trackball, it provides a comfortable grip and effortless cursor movement. The mouse features 8 programmable buttons, allowing you to customize your workflow and streamline your productivity. Its sleek black design adds a touch of elegance to your workspace. Say goodbye to wrist strain and enjoy a smooth and efficient computing experience with the ELECOM Wireless Trackball Mouse.