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, ...
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 know about the Circular Ring 2.
Using a smartphone, you can now measure your finger size with precision before ... it usually takes to get a smart ring, which involves ordering a sizing kit, measuring your finger, and then ...