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Product Details
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Key Features
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Care & Maintenance
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Notes
Introducing the remarkably thin and light Oura Ring 5—the smallest smart ring ever made, with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits in seamlessly with your life and your style. Designed to look and feel like a regular ring, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 1 week of battery life you can even forget it’s on.* No more compromises when it comes to tracking your health.
THE WORLD’S SMALLEST SMART RING - 40% smaller than the previous generation, Oura Ring 5 is thinner, lighter and smaller than ever. The updated all-titanium design is more scratch-resistant and comfortable than ever.
REBUILT FOR GREATER ACCURACY - Oura Ring 5 has been re-engineered and reconfigured, providing even more precise personal health data. Larger, smarter sensors bring research-grade accuracy —all in Oura’s smallest form factor yet.
EVERYDAY HEALTH SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health and women’s health metrics. Oura seamlessly integrates with over 40 apps including Natural Cycles, Flo, Strava, & more
DIVE DEEPER WITH AI - Oura Advisor provides sound guidance as you make moves toward more sustained energy levels, better sleep, a healthy weight, and so many other health benefits
ONE WEEK OF BATTERY LIFE - Charge it once a week and never miss a night of data*. With the Oura Ring 5 Charging Case (sold separately), get up to 5 charges on the go, wherever life takes you.
Wake up to in-depth analysis about your sleep, so you can improve your habits and transform how you feel.
- Daily Sleep Score
- Sleep Stages
- Nap Detection
- Sleep Debt
ACTIVITY
Whether you're running a marathon or running errands, Oura tracks your daily activity and workouts while helping you strike a balance between movement and recovery.
- Daily Activity Score
- Automatic Activity Detection
- Step and Calorie Count
- Heart Rate Tracking and Zone Trends
STRESS
Oura detects moments of stress to help you identify your unique triggers and recovery tactics.
- Daytime Stress
- Stress Resilience
- Cumulative Stress
- AI Guidance for Stress Management
WOMEN'S HEALTH
Oura helps you understand how your cycle affects your body, so you can make better, informed decisions about your health.
- Cycle Insights
- Oura supports your cycle, wherever you are. Predict your periods and fertile window, or get clear insights into how your birth control method — from pills to IUDs — works with your body.
- Period and Ovulation* Detection
- Cycle Phase views
- Hormonal Birth Control support
- Cycle Regularity and Stats
PREGNANCY INSIGHTS
Gain a deeper understanding of what's happening in your body to help you feel grounded at every stage of pregnancy. You'll see helpful views of your vitals, contextualized insights about your changing body, and more.
- Gestational age and pregnancy tracking
- Key vital trends at a glance
- Tag symptoms, habits, and experiences
- Weekly insights and education
MENOPAUSE INSIGHTS
Understand what you may be feeling — and why. Oura shows you how perimenopause symptoms affect your quality of life, and tracks how your experience shifts over time.
- In-app, research-backed questionnaire symptom experience survey
- Personalized and actionable explanations
- Connect menopause symptoms and biometrics
- Get a long-term view
*Ovulation detection is an estimate and should not be used as a form of birth control.
HEART HEALTH
From monitoring your daily heart rate and HRV to discovering your Cardiovascular Age and Cardio Capacity, Oura helps you take care of one of the key indicators of your overall health — your heart.
- Cardiovascular Age
- VO2 Max
- Heart Rate Variability Trends
- 24/7 Heart Rate Tracking
CRITICALLY ACCLAIMED BACKED BY SCIENCE
The award-winning Oura Ring is trusted by academic institutions, athletes, physicians, and a growing community across the globe.
- 5+ million Oura Members worldwide
- 12+ years of research and innovation
- 35+ in-house PhDs across science, engineering, and research
ACCURACY
Oura Ring is powered by sensors that adapt to your unique physiology — delivering accurate, continuous data, day and night. With 50–100x stronger signals on the finger than the wrist, Oura Ring is accurate by design, helping ensure high-quality data for your insights.
- Unparalleled accuracy
- Oura Ring delivers about 95% of the accuracy of a clinical sleep lab (polysomnography)
- 79% Sleep Tracking Accuracy compared to clinical polysomnography at 83%
- 99% Heart Rate Accuracy (r² compared to ECG2)
- 98% Heart Rate Variability Accuracy (r² compared to ECG)
- 92% Body Temperature Accuracy (r² compared to lab standard)
- 94% Ovulation Detection Accuracy (compared to ovulation prediction kits)
PRIVACY
Your health data is deeply personal, and protecting it is fundamental to everything we do. At Oura, you are always in control of your information. Your privacy is our priority.
- We don't sell your data
- We don't share your data without your permission
- We adhere to strict global privacy standards
- You can delete your health data while keeping your Oura account and insights intact
- Data is encrypted in transit and at rest
- Our privacy standards are independently verified
Important Notes
*Your Oura Membership will automatically renew monthly or annually unless canceled. You can cancel anytime, and your cancellation will take effect at the end of your current billing period. No full or partial refunds will be issued for fees already paid. If you do not cancel before your free trial or prepaid membership period ends, your membership will automatically renew and you will be charged based on your selected plan.
* Battery life and longevity depend on Oura Ring size, Oura App settings, feature configuration, activity, battery age, usage, and many other factors; actual results will vary. Battery life and charge cycles vary by use and settings. Battery tests were conducted across various sizes and scenarios.
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