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Oura Oura Ring 4 Silver
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Last known price: RUB 30,990.00 (RUB)
Price source: re:Store
Price record dated 10/20/26
Saved price in the source currency; not a current offer. The date refers to the price record, not a stock check.
Features
- Battery life: 5–8 days, depending on ring size and lifestyle.
- Charging time: usually 20–80 minutes, depending on battery level.
- Water resistance: up to 100 m / 328 ft.
- Tracks heart rate, heart rate variability, respiratory rate, blood oxygen, temperature trends, movement, and activity; heart rate, heart rate variability, respiratory rate, and activity are measured or tracked around the clock as specified.
- Compatible with iOS and Android; integrates with more than 40 apps.
- Oura Membership provides personalized recommendations and access to Oura Advisor.
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4654526
- Size: Size 12 (21.4)
- Brand: OURA
- Model Name: Oura Ring 4
- Ring width: 7.90 mm.
- Ring weight: 3.3–5.2 g, depending on ring size.
- Product Type: Smart ring
- Airplane mode: Supports airplane mode.
- APP Languages: English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, Czech, Dutch, and Danish.
- Certification: FCC certified.
- Ring materials: Hypoallergenic titanium on the inner and outer surfaces; seamless titanium inner finish.
- Ring thickness: 2.88 mm.
- 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.
- Ring Battery Life: 5–8 days, depending on ring size and lifestyle.
- Ring Charging Time: Usually 20–80 minutes, depending on battery level.
- Membership features: Oura Membership provides personalized recommendations and access to Oura Advisor.
- App measurement units: Supports metric and imperial units.
- Wireless Connectivity: Bluetooth Low Energy.
- Sensors and measurements: Red and infrared LEDs measure blood oxygen; green and infrared LEDs alternately measure heart rate, heart rate variability, and respiratory rate around the clock; a digital sensor measures temperature trends; an accelerometer tracks movement and activity around the clock.
- Electromagnetic field safety: Described as safe for electromagnetic fields.
- Compatible mobile operating systems: iOS and Android.
- First listed by seller: October 20, 2026
Smart ring with hypoallergenic titanium inner and outer surfaces and a seamless titanium inner finish. It measures 7.90 mm wide, is 2.88 mm thick, and weighs 3.3–5.2 g depending on ring size.
- Bluetooth Low Energy, automatic firmware updates through the Oura app, and airplane mode.
- FCC certified; described as safe for electromagnetic fields.
- The app supports metric and imperial units and English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, Czech, Dutch, and Danish.
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