Oura Ring 4 Smart Ring Health Activity Tracker - Stealth (Ring Size 10)
Barcode:
6430060153547
Key Features
Stealth Design: Matte black PVD-coated titanium for a minimal, modern look.
Next-Gen Sensors: Tracks heart rate (day + night), HRV, SpO₂, temperature, and stress levels.
Advanced Sleep Tracking: Analyzes deep, REM, and light sleep stages with personalized scoring.
Daily Readiness Score: Integrates multiple metrics to help you balance effort and recovery.
Live Heart Rate Monitoring: Real-time heart rate and stress tracking with guided breathing.
Activity Monitoring: Steps, calories burned, and movement insights tailored to your body’s rhythm.
Cycle & Temperature Tracking: Detects and predicts menstrual cycle changes via temperature trends.
Waterproof & Lightweight: 100m water resistance; weighs less than 6g for maximum comfort.
Battery Efficient: 4–7 days of battery life; charges fully in under 80 minutes.
App Integration: Compatible with Oura App, Apple Health, and Google Fit.
Oura Membership: Required for full access to insights, personalized guidance, and health content.










Specifications
| Feature | Details |
|---|---|
| Model | Oura Ring Generation 4 |
| Color | Stealth (Matte Black) |
| Ring Size | 10 |
| Material | Titanium with matte black PVD coating |
| Sensors | Infrared PPG, NTC Thermometer, 3D Accelerometer, Gyroscope |
| Tracked Metrics | Heart Rate, HRV, SpO₂, Temperature, Respiratory Rate, Stress |
| Sleep Tracking | Sleep stages, quality score, latency, restfulness |
| Battery Life | 4–7 days |
| Charging Time | 80 minutes |
| Water Resistance | 100 meters (10 ATM) |
| Connectivity | Bluetooth Low Energy |
| App Compatibility | iOS & Android; integrates with Apple Health & Google Fit |
| Subscription Required? | Yes (Oura Membership) |
| Weight | 4–6 grams |
| Warranty | 1-year limited warranty |
| Technical Data | |
|---|---|
| Model | Oura Ring 4 Ceramic |
| Color | Stealth |
| Size | 10 |
| Connectivity | Wireless, Bluetooth |
| Material | Titanium with matte black PVD coating |
| Electronics | |
|---|---|
| Brand | Oura |