1. Introduction
The Oura Ring 4 is a sophisticated smart ring designed for comprehensive personal health tracking. It monitors over 30 biometric data points, including sleep patterns, daily activity levels, stress indicators, heart health metrics, and women's health insights. Featuring advanced Smart Sensing technology, the Oura Ring 4 adapts to your unique physiology to provide accurate data both day and night. Crafted from 100% titanium, this ring offers exceptional durability, comfort, and is waterproof, making it suitable for continuous wear. With up to 8 days of battery life, it allows you to focus on your well-being without frequent interruptions for charging.
Image: The Oura Ring 4 in Stealth color, showcasing its sleek design.
2. Setup Guide
To ensure optimal performance and data accuracy, proper setup of your Oura Ring 4 is crucial. Follow these steps to get started:
2.1 Determine Your Ring Size
Oura Ring 4 sizes are unique and do not correspond to standard ring sizes. It is essential to use an official Oura Ring sizing kit to find your perfect fit. A well-fitted ring ensures accurate sensor readings and maximum comfort.
Image: The Oura Ring 4 sizing kit, containing various ring sizes for fitting.
- Order a Sizing Kit: If you haven't already, purchase the Oura Ring 4 Sizing Kit.
- Wear the Sizing Rings: Wear the plastic sizing rings for at least 24 hours to find the most comfortable fit. The ring should be snug but not tight, and easy to remove.
- Select Your Size: Once you've determined your ideal size, you can proceed to purchase your Oura Ring 4.
2.2 Initial Charging
Before first use, fully charge your Oura Ring 4.
- Connect the provided USB-C cable to the Oura Ring 4 charger.
- Plug the USB-C cable into a power source (e.g., computer, wall adapter).
- Place your Oura Ring 4 onto the charger. The indicator light on the charger will show charging status.
- A full charge typically takes approximately 80 minutes.
Image: The Oura Ring 4 charging base with a USB-C cable connected.
2.3 Download the Oura App
The Oura app is essential for viewing your data, customizing settings, and receiving insights.
- Download the Oura app from the Apple App Store (for iOS devices) or Google Play Store (for Android devices).
- Follow the in-app instructions to create an Oura account and pair your ring via Bluetooth.
Image: The Oura app icon displayed on a smartphone screen, ready for download.
2.4 Oura Membership
Access to the full range of Oura's features and insights requires an Oura Membership.
- The first month of membership is complimentary for new members with your purchase.
- After the trial period, the membership costs €5.99 per month.
- An annual prepaid subscription is also available for €69.99 per year.
- The membership is linked to your Oura app account, not directly to the ring.
3. Operating Instructions
The Oura Ring 4 is designed for continuous, passive tracking. Once set up, it automatically collects data throughout your day and night.
3.1 Wearing the Ring
- Wear the Oura Ring 4 on any finger of either hand.
- For optimal accuracy, it is recommended to wear the ring on your index, middle, or ring finger.
- Ensure the sensors on the inside of the ring are in contact with your skin.
Image: The Oura Ring 4 worn on a finger during physical activity, demonstrating comfortable wear.
3.2 Data Collection and Smart Sensing
The Oura Ring 4 continuously monitors various biometric data points using its advanced sensors.
- Sleep Tracking: Automatically detects sleep stages (light, deep, REM), sleep duration, and sleep quality.
- Activity Tracking: Monitors steps, calories burned, and overall activity levels.
- Heart Rate: Measures resting heart rate and heart rate variability (HRV).
- Body Temperature: Tracks subtle changes in body temperature.
- Stress & Recovery: Provides insights into your body's stress and recovery states.
- Smart Sensing: The ring's technology adapts to your personal data to provide highly accurate and personalized insights.
Image: A close-up view of the Oura Ring 4's internal sensors, which are in contact with the skin for data collection.
3.3 Using the Oura App
Synchronize your Oura Ring 4 with the Oura app regularly to view your health data and insights.
- Open the Oura app on your smartphone. The ring will automatically connect via Bluetooth.
- Explore the various sections of the app to view your Readiness Score, Sleep Score, Activity Score, and detailed biometric graphs.
- The app provides personalized recommendations and guidance based on your data.
Image: The Oura app interface showing a user's Readiness Score and other health metrics.
4. Maintenance
Proper care and maintenance will extend the lifespan and ensure the accuracy of your Oura Ring 4.
4.1 Cleaning
- Clean your Oura Ring 4 regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials, as these can damage the ring's finish and sensors.
- Ensure the sensors are clean for accurate readings.
4.2 Water Resistance
The Oura Ring 4 is waterproof up to a depth of 100 meters. This means you can wear it while swimming, showering, or engaging in water sports.
Image: The Oura Ring 4 worn on a finger submerged in water, illustrating its waterproof capability.
4.3 Finish Care
The Stealth model's finish, while durable, may show minor scuffs or wear over time with continuous use. This is a cosmetic characteristic and does not affect the ring's functionality.
5. Troubleshooting
If you encounter issues with your Oura Ring 4, refer to the following common troubleshooting tips.
5.1 Connectivity Issues
- Ensure Bluetooth is On: Verify that Bluetooth is enabled on your smartphone.
- Restart App and Ring: Close and reopen the Oura app. If the issue persists, place your ring on its charger for a few seconds to restart it.
- Check Ring Proximity: Keep your ring close to your smartphone during synchronization.
5.2 Inaccurate Data Readings
- Check Ring Fit: Ensure your Oura Ring 4 fits snugly. A loose ring can lead to inaccurate sensor data.
- Clean Sensors: Make sure the internal sensors are clean and free from dirt or debris.
- App Synchronization: Ensure the app is regularly synchronizing with the ring to receive the latest data.
5.3 Battery Life Concerns
- Full Charge: Ensure the ring is fully charged (approximately 80 minutes).
- Expected Battery Life: The Oura Ring 4 offers up to 8 days of battery life. Significant deviations (e.g., less than 3-4 days) may indicate a battery issue.
- Contact Support: If battery performance remains consistently poor, contact Oura customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | Oura Ring 4 - Stealth |
| Model Number | JZ90-54218-08 |
| Brand | OURA |
| Color | Stealth (Ring), Black (Band) |
| Material | Titanium (Band and Case) |
| Battery Type | 1 Lithium-polymer (included) |
| Average Battery Life | Up to 8 days |
| Charging Time | Approximately 80 minutes |
| Operating System Compatibility | Android, iOS |
| Connectivity Technology | Bluetooth |
| Water Resistance Level | Waterproof, up to 100 meters |
| Sensors | Accelerometer, Optical Heart Rate Sensor, Temperature Sensor |
| Special Features | Activity Tracking, Sleep Tracking, Heart Rate Monitoring, Stress & Recovery Insights |
| Dimensions (P x L x H) | 23 x 23 x 8 millimeters |
| Country of Origin | Estonia |
| Box Contents | Oura Ring 4, Oura Ring 4 Charger, USB-C Cable, Quick Start Guide, Information Brochure |
7. Warranty and Support
7.1 Manufacturer's Warranty
The Oura Ring 4 comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For further assistance, technical support, or warranty inquiries, please refer to the official Oura support channels:
- Oura App: Access support resources directly through the Oura application.
- Official Oura Website: Visit ouraring.com/support for FAQs, troubleshooting guides, and contact information.
