Oura Ring. Smart Ring for Fitness, Stress, Sleep & Health.

Oura Ring: the most accurate sleep and activity tracker is all about you: it measures the physiological signals of your body, understands your lifestyle, and guides you to make your own optimal daily choices. The ring features scientifically validated sleep tracking and personalized guidance.

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Activity Fitness Tracker: The fitness tracking ring records your exercise data and automatically monitors your heart rate and HRV every half an hour, or you can do it manually through the app.

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