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Monitor sleep stages, readiness, and daily activity with Oura’s accurate sensors and minimalist style. Features long battery life, water resistance, and personalized insights. Perfect for health enthusiasts & biohackers!
The Oura Ring is a smart jewelry ring designed to be the most advanced sleep and recovery tracker on the market. Unlike fitness-focused wearables that prioritize activity, Oura’s core philosophy is that quality rest and recovery are the foundation of health and performance.
The Oura Ring packs sophisticated technology into a small, discreet form factor.
Sensors:
Infrared Photoplethysmography (PPG) Sensors: Measure heart rate, heart rate variability (HRV), and respiratory rate.
Temperature Sensors: An NTC (Negative Temperature Coefficient) sensor measures your body temperature from the palm side of your finger. It tracks basal body temperature and changes in it, which is a key metric for recovery, illness, and menstrual cycle tracking.
3D Accelerometer & Gyroscope: Track movement, including sleep stages and daily activity.
Menstrual Cycle Predictions & Tracking: Oura is highly regarded for its cycle tracking. By combining body temperature trends with HRV and resting heart rate, it can predict the start of your period and confirm ovulation, providing a holistic view of cycle phases.
Design & Battery Life:
Discreet & Comfortable: Made from titanium and comes in several finishes (Silver, Black, Stealth, Gold). It’s designed to be worn 24/7, including while sleeping.
Long Battery Life: Typically lasts 4-7 days on a single charge.
The Oura Ring provides detailed analysis of your sleep stages (light, deep, REM), timing, and efficiency. Its low-profile design is ideal for comfortable, uninterrupted wear, ensuring highly accurate data.
The proprietary Readiness Score synthesizes your sleep, activity, and physiological data (like body temperature and HRV). It advises you on whether your body is primed for performance or needs recovery.
It tracks your resting heart rate and Heart Rate Variability (HRV) continuously throughout the day and night. These are critical, clinical-grade metrics for assessing recovery, stress, and overall health trends.
The ring monitors your baseline body temperature and detects subtle deviations each night. This can provide early insights into illness, menstrual cycle shifts, and overall physiological strain.
Crafted from titanium, the Oura Ring is lightweight, durable, and looks like elegant jewelry. It's swim-proof and comfortable for 24/7 wear, integrating seamlessly into your lifestyle.
A single charge provides up to 7 days of battery life, minimizing charging interruptions. The ring charges fully in about 20-80 minutes, making it highly convenient for continuous tracking.
The Oura Ring uses sensors to collect data 24/7, which is then analyzed to provide you with insights into three key areas:
Sleep: Tracks stages (Deep, Light, REM), timing, efficiency, and latency.
Activity: Monitors heart rate, steps, calories burned, and activity levels.
Readiness: A composite score indicating how prepared your body is for the day, based on sleep, activity, and physiological stress signals.
Readiness Score (0-100): Your daily guide. A high score means your body is recovered and ready for strain. A low score suggests you may need more rest.
Sleep Score (0-100): Rates the quality and quantity of your sleep.
Activity Score (0-100): Balances your movement (steps, calories, training) against your recovery needs.
The goal is to use these scores to balance activity with rest for optimal well-being.
Oura is clinically validated for its accuracy in measuring sleep stages, heart rate, and heart rate variability (HRV). It is not a medical device, but it is a highly precise tool for tracking trends in your personal health and wellness.
Heart Rate Variability (HRV) is the variation in time between your heartbeats. It’s a key indicator of your body’s recovery status and nervous system balance. A higher HRV generally indicates better fitness and recovery, while a lower HRV can signal stress, fatigue, or illness.
The Oura Ring requires two payments:
One-time hardware cost for the ring itself (prices vary by generation and finish).
A mandatory monthly membership subscription (Oura Membership) to access your full historical data, daily scores, and personalized insights. The ring’s basic functions are limited without it.
The Oura Ring Gen 3 is the current model and features:
Daytime Heart Rate Monitoring
Workout Heart Rate (for specific activities)
Period Predictions
Improved battery life and sensors
Older generations (Gen 2, Heritage) are no longer sold and have limited feature sets.
Oura will send you a free, plastic sizing kit with all available sizes. Wear the sizers for 24 hours, including during sleep and light activity, to find the perfect fit. It should be snug but comfortable.
The Oura Ring Gen 3 typically lasts 4-7 days on a single charge. It charges fully in about 20-80 minutes using its proprietary magnetic charger and docking station.
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