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, ...
A new study published in the journal Nature suggests that pupil size is key to understanding how and when the brain forms ...
Circular is bringing more finishes, a titanium build, eight days of battery life, and digital sizing to its second-generation ...