Ultrahuman Ring Air review

Indian fitness and nutrition tracking startup, Ultrahuman, has fast-followed its debut smart ring last year with a second generation of the device — which officially launched in June.
The new smart ring whittles down what was a slightly chunky form factor, for its original sleep & fitness-tracker, into a more svelte matte black* band it’s calling the Ring Air. So, er, Apple eat your heart out! Although of course Apple doesn’t make a smart ring. And in fact it’s category veteran Oura’s smart ring which most closely resembles what the Indian team has wrought wit

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