The Logitech MX Ergo S is a premium wireless ergonomic trackball mouse designed to boost comfort, precision, and productivity. Certified by ergonomists with a unique 20° tilt angle, it reduces forearm strain and keeps your hand in a natural posture for extended use. Featuring quiet clicks, fast USB-C charging, and dual wireless connectivity via Bluetooth or Logi Bolt receiver, the MX Ergo S delivers smooth thumb-controlled cursor movement and effortless control — ideal for professionals, creatives, and everyday users alike. Customize actions, shortcuts, and workflows using the Logi Options+ app for tailored performance on Windows, macOS, ChromeOS, and more.