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Oura Ring 4 vs Circular Ring 2 — which smart ring should you buy?

I’m currently testing the Circular Ring 2, a subscription-optional smart ring that boasts eight days of battery, ECG readings, AFib detection, and a revolutionary new digital sizing process. While the ...
Android Authority

I wanted to love the Circular Ring Slim, but this isn't the Oura Ring alternative you need

With a Samsung Galaxy Ring imminent and the Oura Ring 3 on more fingers by the day, it’s clear the smart ring trend is here to stay. Whether you want to track stats more covertly or you don’t want to ...