- The Oura Ring 4 has slimmer sensors, increased accuracy, and more sizesThe Verge
- Oura announces new smart ring with updated design and new sensors for $349CNBC
- Oura Nears $500 Million in Annual Revenue and Readies New RingBloomberg
- Oura Ring 4 debuts slimmer design, additional sizes, and improved sensing starting at $349TechCrunch
- The New Oura Ring 4 Will Be Thinner and More Capable Than EverWIRED