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 ...
This latest iteration brings a host of new features, including FDA-cleared AFib detection, a wireless charging case, and industry-first Digital Ring Sizing technology. Sizing has long been a ...
Headline new features include a new digital ring sizing system that lets you use a smartphone to measure your ring size before ordering. It's a far cry from the plastic sizing kits of other ...
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