Circular, ECG and smart rings

Circular is adding the first FDA-approved ECG into its next-gen smart ring, but it had to cut a signature tool to make it fit ...
Circular's second-generation smart ring brings new finishes, a titanium build, eight days of battery life, and advanced heart ...
Fresh off of Oura revealing a feature that helps users identify a cold or flu, Circular has announced its Ring 2, a next-gen ...
Smart ring brand Circular is laying down claims at CES 2025 that its brand new Ring 2 will run, ahem, rings around the ...
Circular has officially announced the Circular Ring 2, its second generation smart ring that includes a new feature that will ...