Introduction
The OURA Ring 4 is an advanced smart ring designed to monitor over 30 biometric data points, including sleep, activity, stress, heart health, and women's health. This manual provides essential information for setting up, operating, and maintaining your OURA Ring 4 to ensure optimal performance and data accuracy.
A close-up view of the OURA Ring 4, showcasing its sleek design and internal sensors.
1. Setup and Sizing
1.1 Finding Your Correct Size
The OURA Ring 4 sizes are unique and differ from standard ring sizes. For optimal data accuracy and comfort, it is crucial to determine your correct OURA Ring size using the official sizing kit.
An image illustrating the importance of correct sizing for the OURA Ring 4, noting that its sizes are different from standard rings.
- Step 1: Obtain the OURA Ring 4 Sizing Kit.
Purchase the OURA Ring 4 sizing kit to accurately measure your finger.
A visual representation of Step 1, emphasizing the need to use the OURA Ring 4 sizing kit.
The OURA Ring 4 sizing kit, containing various ring sizes for fitting.
Upon purchasing the sizing kit, a €10 Amazon credit will be applied towards your future OURA Ring 4 purchase.
An image showing the €10 Amazon voucher received with the sizing kit purchase.
- Step 2: Purchase Your OURA Ring 4.
Once you have determined your ideal size using the sizing kit, proceed to purchase your OURA Ring 4. The €10 credit will be automatically applied at checkout.
A visual representation of Step 2, instructing to purchase the OURA Ring 4 after sizing.
The OURA Ring 4 itself, ready for purchase.
An image confirming the automatic application of the €10 voucher at checkout.
- Step 3: Wear Your Ring and Download the App.
Place the OURA Ring 4 on your index, middle, or ring finger for optimal accuracy. Download the OURA app from your smartphone's app store.
A visual representation of Step 3, showing the OURA Ring being worn and the OURA app icon for download.
- Step 4: Activate OURA Membership.
The first month of OURA membership is complimentary for new members. After the initial month, the subscription costs €5.99 per month. This membership is linked to your OURA app account, not directly to the ring.
A visual representation of Step 4, detailing the OURA membership offer and cost.
The OURA app interface displaying health data, accessible with an active membership.
2. Operating Your OURA Ring 4
2.1 Core Features
The OURA Ring 4 utilizes Smart Sensing technology to provide precise, personalized health data day and night. It tracks various biometric data points to offer insights into your well-being.
A close-up of the OURA Ring 4's internal sensors, highlighting its Smart Sensing technology for accurate data collection.
2.1.1 Health Tracking Categories
The OURA app provides comprehensive tracking across several categories:
Icons representing the various health tracking features of the OURA app: Sleep, Activity, Readiness, Stress, Heart Health, and Women's Health.
- Sleep: Monitors sleep stages, duration, and quality.
- Activity: Tracks daily movement, calories burned, and workout intensity.
- Readiness: Provides a daily score based on sleep, activity, and recovery.
- Stress: Identifies periods of stress and recovery.
- Heart Health: Measures heart rate and heart rate variability.
- Women's Health: Offers insights into menstrual cycle phases and temperature trends.
A screenshot of the OURA app dashboard, showing an overview of daily health metrics and scores.
2.2 Using the OURA App
The OURA app is your central hub for all health data and insights. It adapts to your unique physiological responses to provide personalized guidance.
A screenshot of the OURA app displaying the Readiness score and personalized insights.
A screenshot of the OURA app showing detailed stress tracking data over time.
A screenshot of the OURA app's sleep tracking interface, showing sleep stages and duration.
A screenshot of the OURA app's activity tracking interface, displaying workout details and calorie expenditure.
3. Maintenance and Care
3.1 Wearing Your Ring
The OURA Ring 4 is designed for continuous wear, 24/7. Its lightweight, titanium construction ensures comfort.
A diagram illustrating the comfortable design and embedded sensors of the OURA Ring 4.
A woman wearing the OURA Ring while drinking coffee, demonstrating its seamless integration into daily life.
A person stretching while wearing the OURA Ring, highlighting its suitability for physical activity.
3.2 Charging
The OURA Ring 4 offers up to 8 days of battery life. Charge your ring using the provided OURA Ring 4 charger and USB-C cable.
An icon representing the OURA Ring 4's battery life of up to 8 days.
The OURA Ring 4 charger with its USB-C cable.
3.3 Water Resistance
The OURA Ring 4 is waterproof up to 50 meters, making it suitable for swimming and showering.
An icon indicating the OURA Ring 4's water resistance up to 100 meters (Note: Specifications state 50 meters).
A hand wearing the OURA Ring submerged in water, demonstrating its waterproof capabilities.
4. Troubleshooting
4.1 Common Issues
4.1.1 Connectivity Problems
If your OURA Ring 4 is not connecting to your smartphone via Bluetooth:
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the OURA app is open and running in the background.
- Check if the ring's battery is charged.
- Restart your smartphone and the OURA app.
- Try re-pairing the ring in the OURA app settings.
4.1.2 Inaccurate Data
If you suspect data inaccuracy:
- Verify that your OURA Ring 4 fits snugly but comfortably. A loose fit can affect sensor readings.
- Ensure the sensors on the inside of the ring are clean.
- Wear the ring on your index, middle, or ring finger for optimal sensor contact.
4.1.3 Charging Issues
If the ring is not charging:
- Ensure the charging cable is securely connected to both the charger and a power source.
- Check for any debris or obstruction in the charging port of the ring or charger.
- Try a different USB-C cable or power adapter.
5. Specifications
Technical Details
| Feature | Detail |
|---|---|
| Battery | 1 Lithium-polymer (included) |
| Product Dimensions (L x W x H) | 2.6 x 2.6 x 0.7 cm |
| Weight | 3.3 grams |
| Model Number | JZ90-54216-13 |
| Manufacturer | Oura |
| Country of Origin | Estonia |
| Operating System | Proprietary/Custom OS |
| Special Feature | Advanced Health Tracking |
| Average Battery Life | Up to 8 days |
| Charging Time | 80 minutes |
| Connectivity Technology | USB, Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Battery Composition | Lithium-polymer |
| GPS | No integrated GPS (uses smartphone's GPS) |
| Shape | Round |
| Band Material | Titanium |
| Case Material | Metal |
| Water Resistance Level | Waterproof (50 Meters) |
| Sport Type | Fitness |
| Supported Application | Fitness Tracker |
| Counter Type | Heart rate, sleep duration, activity, stress, heart health |
| Product Type | Smart Ring |
| Color | Gold |
| Compatible Devices | Smartphone (iPhone, Samsung Galaxy, Google Pixel, Android, iOS) |
| International Protection Rating | IP54 |
| Box Contents | Information booklet, OURA Ring 4 Charger, USB-C Cable, Quick Start Guide, OURA Ring 4 |
6. Warranty and Support
6.1 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.
6.2 Return Policy
Products purchased from Amazon are subject to a 30-day refund/replacement return policy. Please refer to Amazon's return policy for full details.
6.3 Customer Support
For further assistance, please visit the official OURA support website or contact their customer service.
