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Oura Oura Ring 4 Size 10 (19.8), Black Smart Ring, Size 10 (19.8), Black
Available offers (21)
Current
Size 10 (19.8), Black
re:Store
RUB 30,990.00
Available to order
Features
- Battery operating time: 5–8 days, depending on ring size and lifestyle.
- Charging time: Usually 20–80 minutes, depending on battery charge level.
- Sensors measure blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, movement, and activity; heart rate, heart rate variability, breathing rate, movement, and activity are tracked around the clock.
- Water resistance: up to 100 m/328 ft.
- Hypoallergenic titanium on inner and outer surfaces; seamless titanium interior.
- Width: 7.90 mm; thickness: 2.88 mm.
- Weight: 3.3–5.2 g, depending on Oura ring size.
- Bluetooth Low Energy connectivity; Oura app available for iOS and Android.
- Firmware updates automatically through the Oura app; airplane mode is supported.
- Minor scratches from normal use are expected.
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4653544
- Size: Size 10 (19.8)
- Brand: OURA
- Width: 7.90 mm.
- Weight: 3.3–5.2 g, depending on Oura ring size.
- Sensors: Red and infrared LEDs measure blood oxygen; green and infrared LEDs measure heart rate, heart rate variability, and breathing rate around the clock; a digital sensor measures temperature trends; an accelerometer tracks movement and activity around the clock.
- Material: Hypoallergenic titanium on the inner and outer surfaces, with a seamless titanium interior.
- Thickness: 2.88 mm.
- Model Name: Oura Ring 4
- Connectivity: Bluetooth Low Energy.
- Product Type: Smart ring
- Airplane mode: Supported.
- Charging Time: Usually 20–80 minutes, depending on battery charge level.
- Normal-use wear: Minor scratches from normal use are expected.
- Firmware updates: Firmware updates automatically through the Oura app.
- Water Resistance: Up to 100 m/328 ft.
- Battery operating time: 5–8 days, depending on ring size and lifestyle.
- Mobile app availability: Oura app is available for iOS and Android.
- 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
The Oura Ring 4 smart ring in Black, Size 10 (19.8), has hypoallergenic titanium inner and outer surfaces and a seamless titanium interior. Its sensors measure blood oxygen, heart rate, heart rate variability, breathing rate and temperature trends, while an accelerometer tracks movement and activity around the clock. Battery operating time is 5–8 days depending on ring size and lifestyle; charging usually takes 20–80 minutes depending on battery charge level.
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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 75,990.00 | RUB 65,990.00 | RUB 65,990.00 | RUB 75,990.00 |
| 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 | Size 10 (19.8) | 07 (17,3) | 11 (20,6) | 09 (19) | 08 (18.2) | 09 (19) |
| 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 | Supported. | 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 the battery charge level. | About 80 minutes, depending on battery charge level. | About 80 minutes, depending on battery charge level. |
| Firmware updates | Firmware updates automatically through the Oura app. | Firmware updates automatically through the Oura app. | Automatic firmware updates 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. |
| Water Resistance | Up to 100 m/328 ft. | Waterproof up to 100 m/328 ft; IP68 water and dust protection. | Water-resistant up to 100 m/328 ft; IP68-rated for water and dust. | Up to 100 m/328 ft. | Up to 100 m/328 ft. | |
| Compatibility | Available for iOS and Android. | Available for iOS and Android. | Available for iOS and Android. | |||
| App integrations | Integrates with more than 100 apps. | Integrates with more than 100 apps. | Integrates with more than 100 apps. | Integrates with more than 100 apps. | ||
| Manufacturer warranty | Available. | Manufacturer warranty is indicated; no term is stated. | Manufacturer warranty is indicated as available. | Indicated as available. | ||
| 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. | Bluetooth Low Energy. | ||
| Battery runtime per charge | Up to 6–9 days of battery life per charge, depending on ring size and intensity of use. | 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. | |||
Oura Oura Ring 4 Black
RUB 30,990.00
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