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 is making the process of buying a smart ring seamless by involving AI. And it seems to be a work in progress right ...

French upstart Circular has unveiled a fresh challenge to Oura — the current lord of the smart rings. Circular has just ...

Circular has redefined wearable tech with the unveiling of the Ring 2 at CES, a smart ring that combines state-of-the-art ...