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

Circular is rolling out a new tool along with its next smart ring that will take the guesswork out of figuring out your ring size.

I could count on one finger the amount of smart rings that offered a one-line ECG in a small package. Bodimetrics’ Circul+ debuted in 2021, but where it excelled in heart-monitoring features it fell short in style — or even looking like a real ring you’d want to wear 24/7.