Circular, smart rings

“We had some issues, obviously, with the previous ring,” says Amaury Kosman, cofounder and CEO of Circular. “Mostly ...
Circular's second-generation smart ring brings new finishes, a titanium build, eight days of battery life, and advanced heart ...
French upstart Circular has unveiled a fresh challenge to Oura — the current lord of the smart rings. Circular has just ...
Circular's Ring 2 gains a new ECG capability this time around, with heart health a bigger focus for the smart ring in 2025.
The Circular Ring 2 aims to revolutionize the smart ring sizing process. It's also FDA-cleared for AFib detection.