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Oura Oura Ring 4 Size 15 (23.9), Matte Silver Smart Ring, size 15 (23.9), Matte silver
Available offers (21)
Current
Size 15 (23.9), Matte Silver
re:Store
RUB 32,990.00
Available to order
Features
- Battery runtime per charge: 5–8 days, depending on ring size and lifestyle.
- Charging usually takes 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 interior finish.
- Measures blood oxygen using red and infrared LEDs; green and infrared LEDs alternately measure heart rate, heart rate variability, and breathing rate around the clock.
- Tracks temperature trends with a digital sensor and movement and activity around the clock with an accelerometer.
- Bluetooth Low Energy; compatible with iOS and Android; integrates with more than 40 apps.
- Supports metric and imperial units and airplane mode; automatic firmware updates through the Oura app.
- FCC certified; described as safe for electromagnetic fields.
- Works with Oura Membership to provide personalized recommendations based on body data.
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4659144
- Size: 15 (23.9)
- 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 interior finish
- Thickness: 2.88 mm
- Model Name: Oura Ring 4
- Product Type: Smart ring
- Airplane mode: Supported
- Charging Time: Usually 20–80 minutes, depending on battery charge level
- Oura Membership: Works with the Oura Ring to provide personalized recommendations based on body data
- App integrations: Integrates with more than 40 apps
- Firmware updates: Automatic firmware updates through the Oura app
- Water Resistance: Waterproof up to 100 m / 328 ft
- FCC certification: FCC certified
- Temperature tracking: A digital sensor measures temperature trends
- Wireless Connectivity: Bluetooth Low Energy
- Blood Oxygen Measurement: Red and infrared LEDs measure blood oxygen levels
- Battery runtime per charge: 5–8 days, depending on ring size and lifestyle
- Compatible mobile platforms: iOS and Android
- Measurement units supported: Metric and imperial
- Electromagnetic field safety: Described as safe for electromagnetic fields
- Movement and activity tracking: An accelerometer tracks movement and activity around the clock
- Heart rate, heart rate variability, and breathing rate measurement: Green and infrared LEDs alternately 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 32,990.00
Last price update: 10/20/26
Available to order
Shipping options
Delivery to 
Russia
Russia
Available
Smart ring with red and infrared LEDs for blood oxygen measurement, and alternating green and infrared LEDs for around-the-clock measurement of heart rate, heart rate variability, and breathing rate. Battery runtime is 5–8 days per charge, 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 | Ring 5 | Ring 5 | OURA 5 | Ring 5 | Ring 5 |
| Color |
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| Price | RUB 32,990.00 | RUB 75,990.00 | RUB 75,990.00 | RUB 65,990.00 | RUB 65,990.00 | 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 | 15 (23.9) | 09 (19) | 11 (20,6) | 07 (17,3) | 08 (18.2) | 10 (19,8) |
| Model Name | Oura Ring 4 | Ring 5 | Ring 5 | OURA 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 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 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 | Automatic firmware updates 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. | Firmware updates automatically 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. | Waterproof up to 100 m/328 ft; IP68 water and dust protection. | Up to 100 m/328 ft. | ||
| Wireless Connectivity | Bluetooth Low Energy | Bluetooth Low Energy. | Bluetooth Low Energy. | Bluetooth Low Energy. | ||
| Battery runtime per charge | 5–8 days, depending on ring size and lifestyle | Up to 6–9 days, depending on ring size and usage intensity. | Up to 6–9 days per charge, depending on ring size and intensity of use. | Up to 6–9 days on one charge, depending on ring size and intensity of use. | ||
| Electromagnetic field safety | Described as safe for electromagnetic fields | Described as safe for electromagnetic fields. | Described as safe for electromagnetic fields. | |||
| 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. | |||
| 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 | Indicated as available. | Manufacturer warranty is indicated; no term is stated. | Available. | |||
| Ingress Protection Rating | IP68 for water and dust. | IP68 protection against water and dust. | IP68 for water and dust. | |||
| Materials | High-performance titanium body with seamless titanium interior finish. | High-performance titanium body with a seamless titanium inner finish. | High-performance titanium body with a seamless titanium inner finish. | |||
Oura Oura Ring 4 Matte silver
RUB 32,990.00
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