Oura Ring 4 Ceramic Smart Ring Health Activity Tracker - Petal (Ring Size 7)
                        باركود: 
                            6430060154674
                        
                
Vendors
- Virgin Megastore (Price: 1999.0)
Key Features
- Ceramic Exterior + Titanium Core Combines zirconia ceramic finish (Petal tone) with a titanium interior for durability and elegance. 
- Recessed, Multi‑Path Sensor Design Sensors are recessed 0.3 mm into the ring body to reduce profile and improve comfort. 
- Smart Sensing Platform Dynamically chooses from up to 18 signal pathways to optimize data accuracy across varying finger conditions. 
- Comprehensive Health Metrics Measures heart rate & HRV, blood oxygen (SpO₂), respiration, skin temperature deviations, & motion/activity. 
- Sleep, Readiness & Activity Scores Uses tracked metrics to generate daily scores and trends, helping you plan recovery, workouts, and rest. 
- Long Battery Life: Typically lasts 5–8 days, depending on usage and ring size. 
- Fast Charging: Can charge from low to full in approximately 20–80 minutes (varies depending on charge level). 
- Water Resistant / Swim‑Safe Rated for water exposure (e.g., swimming, shower), suitable for active/daily usage. 
- Expanded Size Range & Ceramic Finishes are available in sizes 4 to 15 and in ceramic color variants (Cloud, Tide, Petal, Midnight). 

Specifications
| Specification | Detail / Value | 
|---|---|
| Model / Finish | Oura Ring 4 Ceramic – Petal | 
| Ring Size | Size 7 | 
| Exterior Material | Zirconia ceramic (Petal finish) | 
| Interior / Core Material | Titanium | 
| Width | 7.9 mm | 
| Thickness | 3.51 mm for ceramic model variant | 
| Weight (varies by size) | 5.1 – 8.1 g depending on ring size | 
| Battery Life | 5 – 8 days typical | 
| Charging Time | 20 – 80 minutes (depending on charge level) | 
| Sensors / Metrics | HR, HRV, SpO₂ (red & IR LEDs), respiration, skin temperature differential, accelerometer | 
| Smart Sensing / Signal Paths | Up to 18 signal pathways are automatically selected | 
| Water Resistance | Suitable for swimming/shower usage (general waterproof rating) | 
| Compatibility / App | Works with iOS / Android via the Oura app (subscription required) | 
| Technical Data | |
|---|---|
| Model | Oura Ring 4 Ceramic | 
| اللون | Petal | 
| Size | 7 | 
| Connectivity | Wireless, Bluetooth | 
| Material | Zirconia ceramic & Titanium | 
| Electronics | |
|---|---|
| Brand | Oura | 
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