Amex Platinum Cardholders Can Save $200 on the New, Slimmer Oura Ring - Upgraded Points

Amex Platinum Cardholders Can Save $200 on the New, Slimmer Oura Ring Upgraded Points Oura is launching its smallest smart ring yet, shrinking wearable design by 40% CNBC Inside the Ring: Building Oura Ring 5 Oura Ring Oura Ring 5 Is 40% Smaller, Detects Blood Pressure Changes and Sleep Disturbances Bloomberg.com With the 40% Smaller Ring 5, Oura Succeeds Where Smartwatch Makers Have Failed CNET