Oura Ring 4 vs Oura Ring 3: Is now the time to upgrade? | Digital Trends
The Oura Ring 4 is here, bringing a new design and sleep apnea detection. But should you upgrade from the Oura Ring 3? Which should you buy?
The Oura Ring 4 is here, bringing a new design and sleep apnea detection. But should you upgrade from the Oura Ring 3? Which should you buy?