Circular is rolling out a new tool along with its next smart ring that will take the guesswork out of figuring out your ring ...

Sizing a smart ring has always been a gamble. Too loose, and you risk losing it; too tight, and it’s unwearable. Some brands, ...

The Circular Ring Slim didn't live up to our expectations, but the next generation could fix all of its flaws. Here's what we ...

Circular’s Afib detection is part of the Ring’s subscription-free set of features — and it’s FDA-cleared thanks to a ...

Forget taking an electrocardiogram from your wrist; now you can take one from your finger. The Circular Ring Gen 2, which was ...

Smart ring maker Circular announced its next-gen Ring 2 with ECG (electrocardiogram) functionality and AFib (atrial ...

Circular's new smart ring, the Ring 2, has an FDA-cleared AFib detection algorithm It can be sized using your smartphone, with no need for a plastic sizing kit Battery life runs for up to eight days, ...

Circular is bringing more finishes, a titanium build, eight days of battery life, and digital sizing to its second-generation ...

Circular is bringing more finishes, a titanium build, eight days of battery life, and digital sizing to its second-generation ...

This level of longevity puts the Ring 2 in the same camp as the Oura Ring 4 and Samsung Galaxy Ring. The Circular Ring 2 also ...

Mashable writers and editors spend all year testing tech products to determine if they live up to the hype and are worth the ...

Fitness trackers allow you to monitor your heart rate, steps, workout intensity and total active minutes, but in the grand ...