A product of Finnish craftsmanship, Oura Ring 4 unlocks insights into your sleep, activity, stress, heart health, and more.
Based on your Oura Ring size and your lifestyle, the Oura Ring 4 battery can last over a week — so you can go days without even thinking about charging.*
Oura Membership and Oura Ring work hand-in-hand, empowering you to prioritize your long-term health goals and build healthy habits that will last a lifetime. Personalized insights from Oura help you understand what your body needs, for today and for your future.
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.
Wake up to in-depth analysis of your deep sleep, REM sleep, and light sleep from the night prior.
By detecting your blood oxygen levels at night, Oura can tell if you’re experiencing any breathing disturbances.
Oura reminds you when to start winding down so you can improve your sleep quality.
From cycling to basketball to housework, Oura automatically detects over 40 activities with heart rate to give you credit for every move you make.
Analyze your activity levels, consistency over time, and recovery time to help you understand if you’re finding a healthy balance between movement and rest.
Oura creates a personalized activity goal every day based on your recovery. Depending on your health priorities, this goal might focus on daily activity or calorie burning.
Your Readiness Score uses your temperature trends, heart rate, sleep, and more to highlight how energized you are for the day.
Oura monitors shifts in your temperature and heart rate so you can tell when you may be getting sick sooner.
Understand what stresses you out and what helps you recover. You can see how your daily movement, activities, and tags contribute to your stress levels, and bounce back faster.
Monitor how well your body recovers from day-to-day physiological stress and learn how to build resilience to stress over time.
See how your heart rate changes, day and night. Learn how your body responds to daily habits, meals, stress, and environment.
Quickly understand how your cardiovascular system is aging relative to your chronological age, and what that may mean for long-term health.
Get an estimate of your VO2 Max, or how efficiently your body delivers and utilizes oxygen during intense physical effort.
Oura tracks your HRV to help you understand if you’re stressed, sick, or need to take time to recover.
Oura uses temperature trends to unlock more accurate insights about your menstrual cycle, so you understand what your body needs throughout the month.
Take the guesswork out of trying. Get accurate data about your estimated peak fertility, chances of conception, and detected ovulation — without lifting a finger.
Know when your period is coming with accurate period predictions. By detecting decreases in your body temperature, Oura can help you better track your cycles.
Oura Ring partners with Natural Cycles, the first FDA-cleared birth control app, to automatically sync temperature data within the Natural Cycles app.
You can choose to integrate your Oura data with the birth control and fertility apps you trust, like Flo, Clue, and more.