Logitech Ergo M575S Wireless Trackball Mouse — Bluetooth + Encrypted Dongle, Thumb-Control Ergonomic Mouse for PC/Mac, Graphite Blue Ball

Reduces forearm muscle strain by 25% (1): engineered in collaboration with Logi Ergo Lab experts, the ERGO M575S has been user-tested and certified by ergonomists for comfortable all-day use. Its ergonomic shell supports the hand and guides the forearm into an improved posture, making it a suitable fit for most hand sizes. Save desk space with thumb-operated control — the trackball lets you move the cursor without shifting your hand, ideal for compact workspaces and usable on any surface. Enjoy precise, smooth tracking and flexible connectivity via Bluetooth or the included encrypted dongle. Personalize your workflow with 3 customizable buttons, time-saving shortcuts and Smart Actions, and fine-tune cursor speed using the Logi Options plus App (2). Compatible with PC and Mac.