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

<figure> <img alt="A person stretches their leg by holding their foot while wearing an Oura smart ring." data-caption="" data-portal-copyright="Image: Oura" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/10/oura1.jpg?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> </figcaption> </figure> <p class="wp-block-paragraph">Oura is <a href="https://ouraring.com/blog/cardio-effort-automatic-vo2max/" data-type="link" data-id="https://ouraring.com/blog/cardio-effort-automatic-vo2max/">introducing two new cardiovascular-focused health tracking features</a> 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 <a href="https://ouraring.com/blog/cardio-capacity/">Cardio Capacity</a>) are available for the <a href="https://www.theverge.com/22789248/oura-ring-3-review-sleep-tracker-fitness-tracker">Oura Ring Gen 3</a> and <a href="https://www.theverge.com/tech/964386/oura-ring-5-review-smart-ring-wearables">later models</a>, but only to users with an <a href="https://ouraring.com/membership">active Oura membership</a>.</p> <p class="wp-block-paragraph">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 …</p> <p><a href="https://www.theverge.com/tech/1014712/oura-smart-rings-track-cardio-effort-vo2-max-cardiovascular">Read the full story at The Verge.</a></p>