Oura Ring 4 Smart Ring Health Activity Tracker - Rose Gold (Ring Size 8)
                        Barcode: 
                            6430060153646
                        
                
Vendors
- Virgin Megastore (Price: 1999.0)
Key Features
- All‑Titanium Construction: No coatings or epoxy layers, just durable, hypoallergenic titanium inside and out. 
- Recessed Sensor Design Sensors are embedded within the body of the ring (no bumps) for a flush, comfortable fit. 
- Smart Sensing Platform utilizes up to 18 signal pathways to dynamically select the best data path for accuracy. 
- Comprehensive Health Metrics Monitors: - Heart rate & heart rate variability (HRV) 
- Blood oxygen (SpO₂) 
- Respiration rate 
- Skin temperature trends 
- Movement/activity & 24/7 tracking 
 
- Sleep, Readiness & Activity Scores: Provides daily scores and trends in sleep quality, recovery readiness, and activity balance. 
- Long Battery Life Up to 8 days on a full charge (varies with usage) 
- Fast Charging Charges rapidly, typically between 20 to 80 minutes, depending on battery level. 
- Water Resistance: Safe for daily wear, including in water, suitable for swimming, showers, etc. 
- Wide Size & Finish Options Available in sizes 4 to 15. Available finishes include Rose Gold, Gold, Silver, and Stealth, among others. 










Specifications
| Specification | Detail / Value | 
|---|---|
| Model / Finish | Oura Ring 4 - Rose Gold | 
| Ring Size | 8 | 
| Material | Titanium (exterior & interior) | 
| Width | 7.9 mm | 
| Thickness | 2.88 mm | 
| Weight | 3.3 to 5.2 g (depending on ring size) | 
| Battery Life | Up to 8 days | 
| Sensors / Metrics | HR, HRV, SpO₂, respiration, temperature trends, accelerometer | 
| Smart Sensing / Paths | Up to 18 signal pathways | 
| Water Resistance | Swim‑safe, daily wear (resistant rating) | 
| Technical Data | |
|---|---|
| Model | Oura Ring 4 Ceramic | 
| Color | Rose Gold | 
| Size | 8 | 
| Connectivity | Wireless, Bluetooth | 
| Material | Titanium | 
| Electronics | |
|---|---|
| Brand | Oura | 
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