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Oura adds two new cardiovascular health tracking features to its smart rings

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Andrew Liszewski is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid.

Oura is introducing two new cardiovascular-focused health tracking features to its smart rings designed to help users better understand the effect regular workouts and exercise are having on their long-term health, and whether they need to ramp it up or dial things down. Cardio Effort and automatic VO2 Max (previously known as Cardio Capacity) are available for the Oura Ring Gen 3 and later models, but only to users with an active Oura membership.

Instead of measuring how fast or far a user went during a run or bike ride, or metrics like calories burned, Cardio Effort measures how hard their cardiovascular system was working during exercise and how long that effort was sustained. Cardio Effort is calculated...

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