Oura Ring 4 Silver - Size 8 Smart Ring
Available Options
For the fitness enthusiast who tracks every step, the Oura Ring 4 is more than a smart ring—it's your personal health coach. While many focus on activity tracking, this ring offers a unique perspective: it helps you understand your body's recovery needs, so you can train smarter, not just harder.
The sensors pick up subtle changes in heart rate variability overnight, alerting you to stress before you feel overwhelmed. With battery life lasting 5-8 days, you can wear it continuously without constant charging. It integrates with over 40 apps and works with iOS and Android, making it easy to sync with your existing routines. The hypoallergenic titanium design is water-resistant up to 100 meters, so it stays on during workouts or showers.
Use the Oura Membership for personalized insights that turn data into actionable habits, helping you prioritize sleep and manage daily stress effectively.
Features
- Tracks sleep, activity, stress, heart health, and menstrual cycle
- Battery life 5-8 days
- Water resistance up to 328 ft
- Hypoallergenic titanium construction
- Bluetooth Low Energy connectivity
- Integrates with over 40 apps
Product details
General specs
- Brand: Oura
- Model: Ring 4
- Material: Titanium
- Connectivity: Bluetooth
- Charging Method: Magnetic
- OS Compatibility: iOS, Android
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Russia
Available Options
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Black - Size 10 | re:Store | $645.89 | Available | View |
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Silver - Size 12 | re:Store | $645.89 | Available | View |
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Black - Size 7 | re:Store | $645.89 | Available | View |
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Black - Size 11 | re:Store | $546.50 | Available | View |
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Black - Size 8 | re:Store | $546.50 | Available | View |
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Black - Size 12 | re:Store | $645.89 | Available | View |
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Black - Size 11 | re:Store | $645.89 | Available | View |
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Silver - Size 8 | re:Store | $645.89 | Available | Current |
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Silver - Size 11 | re:Store | $645.89 | Available | View |
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Silver - Size 11 | re:Store | $546.50 | Available | View |
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Oura Ring 4 Silver
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Samsung SM-Q502NZDAXAR Gold AI-powered health and sleep tracking
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Ultrahuman AIR Rose Gold Comprehensive health tracking
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Samsung SM-Q501NZSAXAR Silver AI-powered health insights
|
Smart Ring Multi Tracks movement up to 164 feet
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Samsung SM-Q502NZKAXAR Black AI Smart Ring with Fitness Monitor
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| Brand | Oura | Samsung | Ultrahuman | Samsung | TOMTOP JMS | Samsung |
| Model | Ring 4 | SM-Q502NZDAXAR | AIR | SM-Q501NZSAXAR | SM-Q502NZKAXAR | |
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| Price | $645.89 | $279.99 | $399.00 | $399.99 | $38.14 | $399.99 |
| Seller | re:Store | Amazon | Amazon | Amazon | Joom | Amazon |
| Update | January 9, 2026 | December 6, 2025 | July 19, 2025 | December 6, 2025 | January 9, 2026 | December 6, 2025 |
| Size | 8 | 12 | 7 | 11 | 12 | |
| Material | Titanium | Titanium | Titanium | Aluminum Alloy | Titanium | |
| Battery Life | 5–8 d | 7 d | 7 d | 7 d | ||
| OS Compatibility | iOS, Android | Android | Android | Android | ||