Sleep Wearable Form Factor
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Oura Oura Ring 4 Size 07 (17.3), Black Smart Ring, Size 07 (17,3), Black
Available offers (21)
Current
Size 07 (17.3), Black
re:Store
RUB 30,990.00
Available to order
Features
- Battery runtime per charge: 5–8 days, depending on ring size and lifestyle.
- Charging time: usually 20–80 minutes, depending on battery charge level.
- Water resistance: up to 100 m / 328 ft.
- Hypoallergenic titanium on the inner and outer surfaces, with a seamless titanium inner finish.
- Width: 7.90 mm; thickness: 2.88 mm.
- Weight: 3.3–5.2 g, depending on ring size.
- Sensors measure blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, and activity.
- Available for iOS and Android; Bluetooth Low Energy connection.
- Integrates with more than 40 apps.
- Firmware updates automatically through the Oura app; supports airplane mode.
- Minor scratches from normal use are normal.
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4653540
- Size: 07 (17,3)
- Brand: OURA
- Width: 7.90 mm.
- Weight: 3.3–5.2 g, depending on ring size.
- Material: Hypoallergenic titanium on the inner and outer surfaces; seamless titanium inner finish.
- Thickness: 2.88 mm.
- Model Name: Oura Ring 4
- Product Type: Smart ring
- Airplane mode: Supports airplane mode.
- Charging Time: Usually 20–80 minutes, depending on battery charge level.
- App integrations: Integrates with more than 40 apps.
- Firmware updates: Firmware updates automatically through the Oura app.
- Water Resistance: Up to 100 m / 328 ft.
- App Compatibility: Available for iOS and Android.
- Health measurements: Sensors measure blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, and activity.
- Wireless connection: Bluetooth Low Energy.
- Normal-use scratches: Minor scratches from normal use are normal.
- Battery runtime per charge: 5–8 days, depending on ring size and lifestyle.
- First listed by seller: October 20, 2026
If you are interested in more details, you can find full information on the seller's page.
RUB 30,990.00
Last price update: 10/20/26
Available to order
Shipping options
Delivery to 
Russia
Russia
Available
Smart ring with sensors that measure blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, and activity. It has hypoallergenic titanium inner and outer surfaces and a seamless titanium inner finish.
- Battery runtime per charge: 5–8 days, depending on ring size and lifestyle.
- Water resistance: up to 100 m / 328 ft.
- Width: 7.90 mm; thickness: 2.88 mm; weight: 3.3–5.2 g, depending on ring size.
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Oura Oura Ring 4 Black
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| Brand | Oura | Oura | Oura | Oura | Oura | Oura |
| Model | Oura Ring 4 | OURA 5 | Ring 5 | Ring 5 | Ring 5 | Ring 5 |
| Color |
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|
|
|
| Price | RUB 30,990.00 | RUB 65,990.00 | RUB 65,990.00 | RUB 75,990.00 | RUB 75,990.00 | RUB 65,990.00 |
| Seller | re:Store | re:Store | re:Store | re:Store | re:Store | re:Store |
| Update | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 |
| Size | 07 (17,3) | 07 (17,3) | 08 (18.2) | 09 (19) | 11 (20,6) | 10 (19,8) |
| Model Name | Oura Ring 4 | OURA 5 | Ring 5 | Ring 5 | Ring 5 | Ring 5 |
| Product Type | Smart ring | Smart ring | smart ring | Smart ring | Smart ring | Smart ring |
| Airplane mode | Supports airplane mode. | Supports airplane mode. | Supports airplane mode. | Supports airplane mode. | Supports airplane mode. | |
| Charging Time | Usually 20–80 minutes, depending on battery charge level. | About 80 minutes, depending on the battery charge level. | About 80 minutes, depending on battery charge level. | About 80 minutes, depending on battery charge level. | About 80 minutes, depending on battery charge level. | About 80 minutes, depending on the battery charge level. |
| App integrations | Integrates with more than 40 apps. | Integrates with more than 100 apps. | Integrates with more than 100 apps. | Integrates with more than 100 apps. | Integrates with more than 100 apps. | |
| Firmware updates | Firmware updates automatically through the Oura app. | Firmware updates automatically through the Oura app. | Firmware updates automatically through the Oura app. | Automatic firmware updates through the Oura app. | Automatic firmware updates through the Oura app. | Firmware updates automatically through the Oura app. |
| Water Resistance | Up to 100 m / 328 ft. | Up to 100 m/328 ft. | Up to 100 m/328 ft. | Waterproof up to 100 m/328 ft; IP68 water and dust protection. | ||
| Battery runtime per charge | 5–8 days, depending on ring size and lifestyle. | Up to 6–9 days per charge, depending on ring size and intensity of use. | Up to 6–9 days, depending on ring size and usage intensity. | Up to 6–9 days on one charge, depending on ring size and intensity of use. | ||
| Materials | High-performance titanium body with a seamless titanium inner finish. | High-performance titanium body with seamless titanium interior finish. | High-performance titanium body with a seamless titanium inner finish. | |||
| Compatibility | Available for iOS and Android. | Available for iOS and Android. | Available for iOS and Android. | Available for iOS and Android; integrates with more than 100 apps. | ||
| Manufacturer warranty | Available. | Indicated as available. | Manufacturer warranty is indicated; no term is stated. | |||
| Ingress Protection Rating | IP68 protection against water and dust. | IP68 for water and dust. | IP68 for water and dust. | |||
| Wireless Connectivity | Bluetooth Low Energy. | Bluetooth Low Energy. | Bluetooth Low Energy. | |||
Oura Oura Ring 4 Black
RUB 30,990.00
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