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Besides ditching the flat-top design, the Oura Ring 3 Horizon otherwise offers the same vital-tracking experience as the original. It has seven temperature sensors, a blood oxygen-monitoring SpO2 ...

Comparing info collected by the new Oura Ring 4 to that from the Gen 3 I'd been wearing, I don't see a difference in the quality or completeness of heart rate data. My blood oxygen scores are also ...

everyone agrees that the battery in the Oura Ring 4 lasts longer than the one in the Oura Ring 3. Adrienne So of Wired had one particularly eye-catching testimonial: "I get around three days of ...

The arrival of the Oura Ring 4 has long been rumoured. Not least because its predecessor, the Oura Ring Gen 3, has been out for ... It’s not like you’d have to carry it in your pocket or ...

Nov. 1, 2024 — Biomedical engineers have invented a 3D printing system, or bioprinter, capable of fabricating structures that closely mimic the diverse tissues in the human body, from soft brain ...

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Gorgeously designed, easy to wear, long-lasting and full of granular health information, the Oura Ring 4 is nearly the perfect fitness tracker. I loved using it, and will continue to do so ...

As for me, having worn the previous-generation Oura Ring 3 for over a year (closer to two, in fact), I suspected the changes between the Oura Ring 4 vs. Oura Ring 3 could only make smart rings ...

The fit should be snug — not too restrictive nor too loose. If you have an Oura Ring 3, you'll notice that the sensors are raised, which produces a bumpy design inside the ring. (The Samsung ...

I wanted to see which was best, and the Oura Ring Gen 3 was the clear winner. Well, it’s been about two weeks since my experiment ended, and there’s now a new winner: the Oura Ring 4.