They’ve finally made the Oura Ring smaller and lighter The Verge Oura is launching its smallest smart ring yet, shrinking wearable design by 40% CNBC Oura Ring 5 Is 40% Smaller, Detects Blood Pressure Changes and Sleep Disturbances Bloomberg.com Oura's Ring 5 Is A Dramatically Thinner Smart Ring Engadget Oura Ring 5 First Look: Price, Features, Release Date and What's New? CNET