Oura is giving its smart rings a big cardiovascular health upgrade

Oura, the company behind smart rings that track various health metrics, is expanding its health-related tools by adding Cardio Effort and automatic VO2 Max measurements. Cardio Effort, a "physiological load metric," will give users an overview of the cardiovascular strain they experience during workouts over a week. This feature calculates cardiac stress by factoring in the intensity and duration of the workout.

Additionally, Oura will bring passive VO2 Max measurements, eliminating the need for the current six-minute walking test. These new features will allow Oura's smart ring lineup to track health in multiple ways, including sleep quality and a range of cardiovascular metrics.

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