Introducing the Logitech M575 Wireless Trackball Mouse - Black, a state-of-the-art device designed to enhance your computing experience. This innovative trackball mouse is part of the Logitech Ergo series, specifically engineered to promote comfort while reducing muscle strain. With its ergonomic sculpted shape, the M575 allows for effortless thumb control, helping to maintain a natural posture as you navigate your computer. Forget the hassle of moving your mouse across the desk; with the M575, all you need is your thumb for precision cursor control. Enjoy the flexibility of two connectivity options"”Bluetooth Low Energy and USB receiver"”providing a reliable signal up to 33 ft (10 m). Perfect for managing tight workspaces, this wireless trackball ensures your hand and arm stay relaxed, whether you are working or gaming. Plus, with an impressive battery life of up to 24 months, you can forget about frequent battery changes. Product Highlights Ergonomic design for ultimate comfort and reduced muscle strain. Smooth thumb control for precise cursor navigation on any surface. Optimal for tight workspaces; the trackball stays stationary. Two ways to connect: Bluetooth or USB receiver for seamless performance. Impressive battery life up to 24 months on a single AA battery.