A really smart ring
A small but powerful piece of technology. Oura translates what your body is telling you to paint a holistic picture of your health.
Award-winning design and craftsmanship
Explore Oura ring
Pinpoint Accuracy
Your finger provides the most accurate reading of over 20 biometrics that impact your overall wellbeing.
- Measure resting heart rate with 99.6% reliability*
- Monitor heart rate variability with 98% reliability*
- Track temperature changes as small as 0.13 °C/ 0.234 °F**
Long Battery Life
Oura Ring fully charges within 80 minutes and has up to 7 days of battery life. Track your health 24/7 without being slowed down by charging.
Durable Materials
Every Oura Ring is made of titanium: built to last, lighter than the average wedding band, non-allergenic, and water resistant.
- Water resistant up to 100m/328 ft
- Non-allergenic
- Withstands a variety of temperatures, ranging from saunas to ice baths
Research-grade Sensors
Research-grade sensors accurately measure key health metrics like heart rate, temperature, and more — from day to night.
- Red LEDs measure blood oxygen levels while you sleep
- Green LEDs monitor heart rate 24/7
- PPG sensors read resting heart rate, heart rate variability, and respiration
- NTC sensors monitor your nighttime skin temperature trends
Two distinct styles
Both Oura Ring styles have the same technical and hardware capabilities.
Horizon
A sleek, circular design.
Heritage
A classic, plateau design.
Horizon
A sleek, circular design.
Heritage
A classic, plateau design.
A ring for every lifestyle
Become a member
Oura Membership just keeps getting better
Sleep Score
The answer to “how did you sleep last night?” Your score is based on your total sleep, heart rate variability (HRV), nighttime movement, sleep regularity, and more.
Sleep Stages
Wake up to in-depth analysis of your deep sleep, REM sleep, and light sleep from the night prior.
Blood Oxygen Sensing
By detecting your blood oxygen levels at night, Oura can tell if you’re experiencing any breathing disturbances.
Bedtime Guidance
Oura reminds you when to start winding down so you can improve your sleep quality.
Activity Score
Oura analyzes your activity levels, activity intensity, and recovery time to help you understand if you’re finding a healthy balance between movement and recovery.
Workout Heart Rate
Record your heart rate during workouts and get post-exercise insights to understand how your body reacts and how movement impacts your sleep and readiness.
Automatic Activity Detection
From cycling to basketball to housework — Oura can automatically detect over 40 activities to give you credit for every move you make.
Readiness Score
Your Readiness Score uses your temperature trends, heart rate, sleep, and more to highlight how energized you are for the day.
Illness Detection
Oura monitors shifts in your temperature and heart rate so you can tell when you may be getting sick sooner.
Daytime Stress
Oura tracks your heart rate, HRV, and temperature trends to help you understand what stresses you out and what helps you recover — so you can bounce back faster.
Resilience
Resilience allows you to understand how well your body recovers from physiological stress.
24/7 Heart Rate Monitoring
See how your heart rate changes, day and night. Learn how your body responds to daily habits, meals, stress, and environment.
Heart Rate Variability
Oura tracks your HRV to help you understand if you’re stressed, sick, or need to take time to recover.
Cycle Insights
Oura uses temperature trends to unlock more accurate insights about your menstrual cycle, so you understand what your body needs throughout the month.
Period Prediction
Oura predicts your period by monitoring changes in your daily temperature.
Natural Cycles Integration
Oura Ring partners with Natural Cycles, the first FDA-cleared birth control app, to automatically sync temperature data within the Natural Cycles app.
Partner Integrations
You can choose to integrate your Oura data with the birth control and fertility apps you trust, like Flo, Clue, and more.
Tech Specifications
Quality Materials
Durable titanium, PVD coating, non-allergenic, and seamless inner molding. Over time, Oura Ring can get minor scratches with normal wear and tear.
Battery Life
Up to 7 days of battery life, with full charge in 20 to 80 minutes.
Water Resistant
Oura Ring is water resistant up to 100m/328 ft.
Weight and Dimensions
Width: 7.9mm, Thickness: 2.55mm (size of a wedding band), Weight: 4 to 6 grams (depending on ring size).
Compatibility
The Oura App is available in English, Finnish, Japanese, German, French, Spanish, and Italian, supports metric and imperial units of measurement, and integrates with 40+ apps.
Connectivity
Bluetooth Low-Energy (Bluetooth Smart®), EMF-safe, and allows airplane mode. FCC certified.
What's included
Oura Ring charger
Every Oura Ring comes with one size-specific charger and USB-C cable.