Oura is the most "ring-like" of the bunch, compared to a traditional jewelry ring. The current model just as a small indent ...

The Amazfit Helio smart ring is comfortable to wear, relatively durable and reasonably priced. More importantly, it provides accurate heart rate measurements and offers plenty of clear, actionable ...

Based on sales alone, the biggest name in the smart ring space is Oura, which was launched in 2015 and is currently on its fourth iteration, the Oura 4. It boasts over a million members, but it faces ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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