Check out the video:

Check out the video:

The Next Evolution of the Revolutionary Smart Ring

Introducing Oura Ring 4:

The latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most - your health. The updated all titanium design is powered by smart sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 30 biometrics Including sleep, Readiness, Activity, Heart health, Stress and women’s health. Oura Ring quietly and comfortably monitors your health and with up to 8 days of battery life - you can forget it’s even on.

Sleeker, Smarter and more accurate than ever, Oura Ring 4 is made for you.

Oura Ring 4 is the next evolution of the revolutionary smart ring, designed to help you get up close and personal with your health. It is built around a breakthrough sensing technology, smart sensing, which adapts to your finger to deliver accurate, continuous data. With up to 8 days of battery life, Oura Ring 4 provides the most complete picture of your health. It has a fully-titanium design with recessed sensors on the interior, making it more comfortable than ever before and gentle, even on sensitive skin. Oura Ring 4 comes in an expanded size range (sizes 4 - 15) and six stunning finishes to fit your style and your finger, effortlessly.

Membership:

First month of Oura membership is free with your purchase, €5.99/mo afterwards. Offer available to new members only. Or opt for the annual prepaid option for €69.99. Membership is tied to your account via the Oura app, not your physical ring.

Size Before You Buy:

Size yourself with the Oura Ring 4 sizing kit before purchasing your Oura Ring 4.

Precision Accuracy with Smart Sensing:

Oura tracks over 30 biometrics, Including sleep, Activity, Stress, Heart health, and women’s health metrics. Oura Ring 4 is powered by smart sensing, which adapts to you - delivering accurate, Continuous data, Day and night.

Holistic Health Tracking:

Oura provides over 30 biometrics, Including sleep, Activity, Stress, Heart health, and women’s health metrics.

Designed for 24/7 Wear:

The updated design of the Oura Ring 4 is more comfortable, Fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.

Long Lasting Battery:

With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out - you’re free to forget it’s on. Until you start getting compliments.

Membership Improves with You:

First month of Oura membership is on us for new members with your purchase, €5.99/mo afterwards (or €69.99 annually). Enjoy access to continuous feature and app updates within the award-winning Oura App.

Sync with Your Favorite Apps:

Compatible with iOS and Android - Oura seamlessly integrates with over 40 apps Including apple health, Google health connect, Natural cycles, Flo, Strava, & More.

Small Yet Powerful:

With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out, the all-titanium design fits into your life comfortably and effortlessly - you’re free to forget it’s on. Until you start getting compliments.

Sleep:

A market leader in sleep tracking for over a decade, Oura gives you best-in-class insights into your sleep quality. Feel more rested every day with personalized recommendations based on your sleep patterns. Features include: Sleep staging, Nap detection, and blood oxygen sensing (SpO2).

Activity:

Stay motivated with personalized daily activity goals. Oura tracks your heart rate, Activity levels, and training frequency to tell if you're hitting your goals and to make sure you’re giving your body enough recovery time. Features include: Automatic activity detection, Workout heart rate, and activity goals.

Stress:

Oura will help you identify signs of stress and understand how well your body handles it. You'll know when you need to incorporate more self-care practices and how to recover from longer-term stressors. Features include: Daytime stress and stress resilience.

Women’s Health:

Oura helps women listen to their bodies like never before. By using temperature trends, Oura can more accurately predict the phases of your menstrual cycle and tailor recommendations based on your unique health patterns and hormone levels. Features include: Cycle insights, Period prediction, and seamless integrations.

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.

Device Compatibility:

Compatible with iOS and Android - Oura seamlessly integrates with over 40 apps Including apple health, Google health connect, Natural cycles, Flo, Strava, & More.

Sleep Score:

Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel. Using data points including: total sleep, how much time you spent in each sleep stage, HRV, and more, Oura gives you a sleep score ranging from 0–100.

Readiness Score:

Readiness is a holistic picture of your health - taking into account your recent Activity, Sleep patterns, and key biometric signals.

Activity Score:

Oura tracks your daily activity and workouts while helping you strike a balance between movement and recovery.

Quality Materials:

• Non-allergenic titanium on inner and outer ring surfaces
• Seamless titanium interior
• Minor scratches from regular wear are normal over time

Sensors:

• Red and infrared LEDs measure blood oxygen levels while you sleep
• Green and infrared LEDs alternate to measure heart rate and heart rate variability 24/7 and respiration rate during your sleep
• Digital sensor measures your temperature variations
• Accelerometer tracks movement and activity 24/7

Compatibility:

• Oura App is available in English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, and Danish
• Supports metric and imperial units of measurement
• Integrates with 40+ Apps

Connectivity:

• Bluetooth low energy
• Automatic firmware updates via Oura App
• EMF-Safe
• Allows airplane mode
• FCC-Certified

Product Features:

• Up to 8 days of battery life
• Typically charges in 20–80 minutes, depending on battery level
• Weight: 3.3 to 5.2 grams (depending on ring size)
• Readiness
• Activity

What's in the Box:

• Oura Ring 4
• Oura Ring 4 charger
• USB C to USB C charging cable
• Documentation