Sleep Wearable Form Factor
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Oura Oura Ring 4 Size 14 (23.1), Black Smart Ring, Size 14 (23.1), Black
Available offers (21)
Current
Size 14 (23.1), Black
re:Store
RUB 30,990.00
Available to order
Features
- Battery life per charge: 5–8 days, depending on ring size and lifestyle.
- Charging time: usually 20–80 minutes, depending on battery charge level.
- Waterproof up to 100 m/328 ft.
- Hypoallergenic titanium on 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.
- Red and infrared LEDs measure blood oxygen level; green and infrared LEDs alternate to measure heart rate, heart rate variability, and breathing rate around the clock.
- Digital sensor measures temperature trends; accelerometer tracks movement and activity around the clock.
- Available for iOS and Android; integrates with more than 40 apps.
- Bluetooth Low Energy connectivity; automatic firmware updates through the Oura app; supports airplane mode.
- FCC certified. Manufacturer warranty is indicated as present; term and coverage details are not specified here.
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4659148
- Size: 14 (23.1)
- 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
- Connectivity: Bluetooth Low Energy.
- 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: Waterproof up to 100 m/328 ft.
- FCC certification: FCC certified.
- Device Compatibility: Available for iOS and Android.
- Manufacturer warranty: Indicated as present; term and coverage details are not specified here.
- Battery Life per Charge: 5–8 days, depending on ring size and lifestyle.
- Temperature Measurement: A digital sensor measures temperature trends.
- Blood Oxygen Measurement: Red and infrared LEDs measure blood oxygen level.
- Movement and activity tracking: An accelerometer tracks movement and activity around the clock.
- Heart and breathing measurements: Green and infrared LEDs alternate to measure heart rate, heart rate variability, and breathing rate around the clock.
- 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 in size 14 (23.1), black, with hypoallergenic titanium inner and outer surfaces. It measures blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, and movement and activity. Battery life per charge is 5–8 days, depending on ring size and lifestyle.
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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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|
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| Price | RUB 30,990.00 | RUB 65,990.00 | RUB 75,990.00 | RUB 65,990.00 | RUB 75,990.00 | 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 | 14 (23.1) | 07 (17,3) | 09 (19) | 08 (18.2) | 11 (20,6) | 08 (18,2) |
| 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. | Automatic firmware updates 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. |
| Water Resistance | Waterproof 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. | Up to 100 m/328 ft; IP68-rated for water and dust. | |
| Device Compatibility | Available for iOS and Android. | Available for iOS and Android. | Available for iOS and Android. | |||
| Manufacturer warranty | Indicated as present; term and coverage details are not specified here. | Available. | Indicated as available. | Manufacturer warranty is indicated; no term is stated. | Yes. | |
| Battery Life per Charge | 5–8 days, depending on ring size and lifestyle. | Up to 6–9 days per charge, depending on ring size and usage intensity. | Up to 6–9 days on one charge, depending on ring size and usage intensity. | Up to 6–9 days, depending on ring size and usage intensity. | ||
| Blood Oxygen Measurement | Red and infrared LEDs measure blood oxygen level. | Red and infrared LEDs measure blood oxygen levels. | Red and infrared LEDs measure blood oxygen levels. | |||
| Movement and activity tracking | An accelerometer tracks movement and activity around the clock. | An accelerometer tracks movement and activity around the clock. | An accelerometer tracks movement and activity around the clock. | An accelerometer tracks movement and activity around the clock. | ||
| Compatibility | Available for iOS and Android. | Available for iOS and Android. | Available for iOS and Android. | |||
| 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. | ||
Oura Oura Ring 4 black
RUB 30,990.00
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