Oura Ring 4 Ceramic Smart Ring Health Activity Tracker - Midnight (Ring Size 9)
Barcode:
6430060154568
Vendors
- Virgin Megastore (Price: 1999.0)
Key Features
Ceramic Construction: Durable, lightweight, and hypoallergenic with a scratch-resistant Midnight glaze.
Advanced Sensor Suite: Monitors heart rate (day + night), HRV, SpO₂, skin temperature, and stress levels.
Sleep Monitoring: Analyzes sleep stages, latency, disturbances, and overall sleep quality.
Readiness Score: Personalized daily guidance based on activity, rest, and physiological signals.
Live Heart Rate + Stress Detection: Real-time stress tracking with guided breathing support.
Cycle Insights: Tracks menstrual cycle phases using temperature fluctuations.
Activity Tracking: Step count, movement, calorie burn, and inactivity alerts.
Water Resistant: 100m (10 ATM), safe for swimming, showers, and sweat.
Battery Life: Lasts 4–7 days per charge; full recharge in 80 minutes.
App Compatibility: Works with iOS & Android; syncs with Apple Health and Google Fit.
Oura Membership: Unlocks full features, insights, and personalized recommendations.
Specifications
| Feature | Details |
|---|---|
| Model | Oura Ring Generation 4 – Ceramic Edition |
| Color | Midnight (Dark Ceramic Finish) |
| Ring Size | 9 |
| Material | High-strength ceramic (non-metal, nickel-free) |
| Sensors | Infrared PPG, NTC Thermometer, 3D Accelerometer, Gyroscope |
| Tracked Metrics | Heart Rate, HRV, SpO₂, Skin Temperature, Stress, Activity |
| Sleep Tracking | Sleep stages, latency, disturbances, quality score |
| Battery Life | 4–7 days |
| Charging Time | 80 minutes |
| Water Resistance | 100m (10 ATM) |
| Connectivity | Bluetooth Low Energy |
| App Compatibility | iOS & Android; Apple Health & Google Fit integration |
| Subscription Required? | Yes (Oura Membership required for full features) |
| Weight | 4–6 grams (size-dependent) |
| Warranty | 1-year limited warranty |
| Technical Data | |
|---|---|
| Model | Oura Ring 4 Ceramic |
| Color | Midnight |
| Size | 9 |
| Connectivity | Wireless, Bluetooth |
| Material | High-strength ceramic (non-metal, nickel-free) |
| Electronics | |
|---|---|
| Brand | Oura |