French upstart Circular has unveiled a fresh challenge to Oura — the current lord of the smart rings. Circular has just released a new smart ring that offers two key advantages over Oura, which curren

The Circular Ring 2 aims to revolutionize the smart ring sizing process. It's also FDA-cleared for AFib detection.

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

Circular has officially announced the Circular Ring 2, its second generation smart ring that includes a new feature that will certainly pique the interest of those that want to keep a closer eye on their heart health.

The Ring 2 features ECG and AFib detection, giving it an edge over the Samsung Galaxy Ring and Oura Ring. Circular is revamping its companion app for better user experience and plans to launch the Ring 2 after a crowdfunding campaign.