- The Oura Ring 4 launches with improved accuracy, still requires subscription9to5Google
- The Oura Ring 4 has slimmer sensors, increased accuracy, and more sizesThe Verge
- The new Oura Ring 4 is here, and this is what we’re glad they improvedCNN Underscored
- Oura announces new smart ring with updated design and new sensors for $349CNBC
- Oura Ring 4 First Take: More Titanium, Better Accuracy and Longer Battery LifeCNET