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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 per ring charge: 5–8 days, depending on ring size and lifestyle
- Charging time: usually 20–80 minutes, depending on battery charge level
- Measures blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, movement, and activity
- Hypoallergenic titanium on inner and outer surfaces, with a seamless titanium inner finish
- Waterproof up to 100 m/328 ft
- Width: 7.90 mm; thickness: 2.88 mm; ring weight: 3.3–5.2 grams, depending on ring size
- Bluetooth Low Energy; compatible with iOS and Android
- Integrates with more than 40 apps; supports metric and imperial units
- Oura Membership provides personalized recommendations and supports long-term health goals and habits
- Described as safe for electromagnetic fields; airplane mode supported; FCC certified
- Minor scratches from normal use are described as normal
General specs
- Brand: Oura
- Model: Oura Ring 4
- Seller: re:Store
- ID: 4659548
- Size: 13 (22,2)
- Brand: OURA
- Width: 7.90 mm
- Material: Hypoallergenic titanium on the inner and outer surfaces; seamless titanium inner finish
- Thickness: 2.88 mm
- Model Name: Oura Ring 4
- Ring weight: 3.3–5.2 grams, depending on ring size
- Connectivity: Bluetooth Low Energy
- Measurements: Red and infrared LEDs measure blood oxygen; green and infrared LEDs alternately 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
- Product Type: Smart ring
- Airplane mode: Supported
- Charging Time: Usually 20–80 minutes, depending on battery charge level
- App integrations: Integrates with more than 40 apps
- Water Resistance: Waterproof up to 100 m/328 ft
- FCC certification: Certified by FCC
- Membership service: Oura Membership works with the ring to provide personalized recommendations and support long-term health goals and habits
- Normal-use scratching: Minor scratches from normal use are described as normal
- Compatible mobile platforms: iOS and Android
- Battery life per ring charge: 5–8 days, depending on ring size and lifestyle
- Electromagnetic field safety: Described as safe for electromagnetic fields
- Supported measurement systems: Metric and imperial units
- First listed by seller: October 20, 2026
Silver smart ring with titanium inner and outer surfaces. Red and infrared LEDs measure blood oxygen; green and infrared LEDs alternately measure heart rate, heart rate variability, and breathing rate around the clock. A digital sensor measures temperature trends, and an accelerometer tracks movement and activity around the clock.
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