Sleep Wearable Form Factor
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Oura Oura Ring 4 Size 06 (16.5), Silver Smart Ring, Silver, size 06 (16,5)
Available offers (21)
Current
Size 06 (16.5), Silver
re:Store
RUB 30,990.00
Available to order
Features
- 5–8 days of battery operating time, depending on ring size and lifestyle
- Water resistance up to 100 m/328 ft
- Hypoallergenic titanium on inner and outer surfaces, with a seamless titanium inner finish
- Oura app available for iOS and Android
- Supports airplane mode
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4655578
- Size: 06 (16,5)
- 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
- Water Resistance: Up to 100 m/328 ft
- App Compatibility: Oura app available for iOS and Android
- Flight mode support: Supports airplane mode
- Health measurements: Red and infrared LEDs measure blood oxygen; green and infrared LEDs alternately measure heart rate, heart rate variability, and respiratory rate continuously; a digital sensor measures temperature trends; an accelerometer tracks movement and activity continuously
- Wireless connection: Bluetooth Low Energy
- Manufacturer warranty: Provided
- Typical charging time: 20–80 minutes, depending on battery level
- Battery operating time: 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
The Oura Ring 4 smart ring in silver, size 06 (16,5), has hypoallergenic titanium inner and outer surfaces. Its sensors measure blood oxygen, heart rate, heart rate variability, respiratory rate, temperature trends, movement and activity. Battery operating time 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 | Ring 5 | OURA 5 | Ring 5 | Ring 5 | Ring 5 |
| Color |
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| Price | RUB 30,990.00 | RUB 75,990.00 | 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 | 06 (16,5) | 11 (20,6) | 07 (17,3) | 09 (19) | 08 (18,2) | 10 (19,8) |
| Model Name | Oura Ring 4 | Ring 5 | OURA 5 | Ring 5 | Ring 5 | Ring 5 |
| Product Type | Smart ring | Smart ring | Smart ring | Smart ring | Smart ring | Smart ring |
| Water Resistance | Up to 100 m/328 ft | Waterproof up to 100 m/328 ft; IP68 water and dust protection. | Up to 100 m/328 ft. | Up to 100 m/328 ft; IP68-rated for water and dust. | ||
| Manufacturer warranty | Provided | Manufacturer warranty is indicated; no term is stated. | Available. | Indicated as available. | Yes. | |
| 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. | |||
| Airplane mode | Supports airplane mode. | Supports airplane mode. | Supports airplane mode. | |||
| Charging Time | 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. | About 80 minutes, depending on the battery charge level. | |
| 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. | ||
| App integrations | 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. | 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. | |
| Wireless Connectivity | Bluetooth Low Energy. | Bluetooth Low Energy. | Bluetooth Low Energy. | |||
| Battery Life per Charge | Up to 6–9 days on one charge, depending on ring size and usage intensity. | Up to 6–9 days per charge, depending on ring size and usage intensity. | Up to 6–9 days, depending on ring size and usage intensity. | |||
Oura Oura Ring 4 Silver
RUB 30,990.00
When this device makes sense
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