Oura Ring 4 Black - Size 12 Smart Ring
Available Options
For the active professional who wants to optimize health without constant phone checks, the Oura Ring 4 offers seamless wellness tracking. While many smart rings focus on fitness, this device provides a holistic view of your body's signals, helping you manage stress and sleep for better daily performance.
Its sensors detect subtle changes, like a slight dip in heart rate variability before you feel overwhelmed, giving you a heads-up to adjust your routine. The long battery life means you can wear it for a week without worrying about charging, and the hypoallergenic titanium feels comfortable all day. With integration into over 40 apps, it fits smoothly into your existing health ecosystem, offering personalized insights that evolve with your habits.
Features
- Tracks sleep, activity, stress, heart health, menstrual cycle, and more
- Battery life 5-8 days
- Water resistant up to 328 ft
- Made of hypoallergenic titanium
- 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 | Current |
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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 |
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Oura Ring 4 Black
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Gabit Matte Black Size-11 Matte Black Tracks sleep, fitness, nutrition, and stress
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Smart Ring Multi Tracks movement up to 164 feet
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Samsung SM-Q501NZSAXAR Silver AI-powered health insights
|
Ultrahuman AIR Grey Comprehensive health tracking
|
GenXenon H01 Comprehensive health monitoring
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| Brand | Oura | Gabit | TOMTOP JMS | Samsung | Ultrahuman | GenXenon |
| Model | Ring 4 | Matte Black Size-11 | SM-Q501NZSAXAR | AIR | H01 | |
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| Price | $645.89 | $200.00 | $38.14 | $399.99 | $349.00 | $23.99 |
| Seller | re:Store | Amazon | Joom | Amazon | Amazon | Amazon |
| Update | January 9, 2026 | November 9, 2025 | January 9, 2026 | December 6, 2025 | June 27, 2025 | December 6, 2025 |
| Size | 12 | 11 | 11 | 10 | ||
| Weight | 0.12, 0.18 | 3.5 | 4.4 Grams | |||
| Material | Titanium | Titanium | Aluminum Alloy | Titanium | Stainless Steel | |
| Battery Life | 5–7 d | 7–10 d | 7 d | Up to 7 days | ||
| Water Resistance | 10ATM | 5ATM | IP68 | |||