Oura Ring4BL11 Black - Size 11 Smart Ring
Available Options
For the active professional who wants to optimize their health without constant phone checks, the Oura Ring 4 is your discreet wellness companion. While most fitness trackers focus on workouts, this smart ring provides a holistic view of your body's signals, helping you understand sleep quality, stress levels, and recovery needs throughout your busy day.
Its sensors, like the infrared LEDs for heart rate variability, detect subtle changes you might miss, such as how a stressful meeting impacts your nighttime rest. With 5-8 days of battery life, you can wear it continuously without worrying about daily charging, and the hypoallergenic titanium design feels comfortable even during intense activities. Compatible with iOS, Android, and over 40 apps, it integrates seamlessly into your routine, offering personalized insights to support long-term health goals.
Features
- Tracks sleep, activity, stress, heart health, menstrual cycle
- Battery life 5-8 days
- Water resistant up to 328 feet
- Hypoallergenic titanium construction
- Integrates with over 40 apps
- Automatic firmware updates via app
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 | Current |
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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 | View |
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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 |
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Oura Ring4BL11 Black
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Gabit Matte Black Size-11 Matte Black Tracks sleep, fitness, nutrition, and stress
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Samsung SM-Q502NZDAXAR Gold AI-powered health and sleep tracking
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Samsung SM-Q501NZSAXAR Silver AI-powered health insights
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Smart Ring Multi Tracks movement up to 164 feet
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Milavan TK20 Rose Gold
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| Brand | Oura | Gabit | Samsung | Samsung | TOMTOP JMS | Milavan |
| Model | Ring4BL11 | Matte Black Size-11 | SM-Q502NZDAXAR | SM-Q501NZSAXAR | TK20 | |
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| Price | $546.50 | $200.00 | $279.99 | $399.99 | $38.14 | $58.99 |
| Seller | re:Store | Amazon | Amazon | Amazon | Joom | Amazon |
| Update | January 9, 2026 | November 9, 2025 | December 6, 2025 | December 6, 2025 | January 9, 2026 | December 9, 2025 |
| Size | 11 | 11 | 12 | 11 | 8 | |
| Weight | 0.116, 0.183 | 3.5 | 0.240625 | |||
| Material | Titanium | Titanium | Titanium | Titanium | Aluminum Alloy | |
| Battery Life | 5–7 d | 7–10 d | 7 d | 7 d | 3–5 d | |
| OS Compatibility | Android, iOS | Android | Android | Android, iOS | ||
| Water Resistance | 10ATM | 5ATM | IP68 | |||