Logitech ERGO M575S Wireless Trackball Mouse — Bluetooth & Encrypted Dongle, Thumb-Control, Precise and Smooth Tracking for PC/Mac — Graphite Blue Ball

Designed with Logi Ergo Lab specialists and certified by ergonomists, the ERGO M575S reduces forearm muscle strain by 25% (1) and helps realign your forearm into a healthier posture throughout the day (1). Its contoured shape supports your hand and is a good fit for most hand sizes. Navigate without moving your whole hand thanks to thumb-operated control — ideal for compact workspaces and effective on virtually any surface. Customize the experience with 3 programmable buttons, Smart Actions and time-saving shortcuts, and fine-tune cursor speed using the Logi Options plus App (2). Connect wirelessly via Bluetooth or the included encrypted dongle for precise, smooth tracking on PC/Mac.