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

Designed with Logi Ergo Lab experts and validated by ergonomists for all-day comfort, the ERGO M575S reduces forearm muscle strain by 25% (1). Its sculpted ergonomic shape supports your hand and helps realign the forearm into a healthier posture, fitting most hand sizes. Move the cursor with your thumb—perfect for compact or space-conscious setups and for use on virtually any surface—so you don’t need to slide your entire hand. Enjoy precise, smooth tracking and customizable workflow: three programmable buttons, Smart Actions and time-saving shortcuts. Fine-tune cursor speed and other settings using the Logi Options plus App (2). Connectivity includes Bluetooth and an encrypted dongle, and the mouse works with PC/Mac. Color: Graphite Blue ball.