ERGO M575S Wireless Trackball Mouse, Wireless Ergonomic Mouse With Bluetooth and Encrypted Dongle, Comfortable Thumb Control, Precise and Smooth Tracking, for PC/Mac - Graphite Graphite

• Less Movement, More Comfort: The sculpted shape of the ERGO M575S wireless trackball mouse keeps your hand relaxed for hours of smooth, precise tracking with thumb control - now with quiet clicks. • 25% less muscle strain in your forearm (1): This wireless ergonomic mouse has been developed with Logi Ergo Lab experts, user-tested and certified by ergonomists for all-day comfort. • Improved forearm posture (1): The ergonomic shape of the ERGO M575S supports your hand and realigns your forearm into a better posture throughout the day; a good fit for most hand sizes. • Work it your way: Experience enhanced control with 3 customisable buttons, time-saving shortcuts, and Smart Actions; adjust the cursor speed to your preference with the Logi Options+ App (2). • Save space with thumb control: With the ERGO M575S, you can move your cursor without moving your hand, making it ideal for small or space-saving setups and for use on any surface.