The Oura Ring 4 has slimmer sensors, increased accuracy, and more sizes
Briefly

The new Oura Ring 4 features a slimmer design, improved accuracy through new algorithms, and enhanced signal pathways, marking a significant upgrade from its predecessor.
Oura's new algorithm increases signal pathways from eight to 18, resulting in a 120 percent increase in signal quality and improved accuracy for health tracking.
The company claims the updated ring reduces daytime and nighttime heart rate reading gaps by 7 and 31 percent, improving user data reliability.
With the Oura Ring 4, improved sensors and a new design enhance user comfort and tracking accuracy, potentially revolutionizing smart ring functionality.
Read at The Verge
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