Inside the Ring: Building Oura Ring 5 b— World’s Smallest Smart Ring (2026)
Oura just shipped the most ambitious version of its ring yet. The Oura Ring 5 is officially the world’s smallest smart ring — 40% smaller than its predecessor, with a titanium shell, 12 signal pathways, and sensors that pull a pulse signal 100 times stronger than anything you’d get from a wrist. Pre-orders opened May … Read more