Watch and learn, Samsung: This Galaxy Ring competitor now predicts your chances of falling sick
Kaitlyn Cimino / Android Authority TL;DR Circular’s smart ring is getting a new Immunity Index that measures your defense against diseases. It accounts for your vitals and gives you a rating on a scale of 0–8. The feature is rolling out to the companion app for the first-gen Circular Ring and will be available for the Ring 2, which is expected to be available soon. Even though the smart ring market is still niche, the entry of big players like Samsung with its Galaxy Ring has set it into mot