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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.
This model
Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Thumbnail Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Thumbnail Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Thumbnail Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura
Thumbnail Smart Ring, size 10 (19.8), Silver — Smart Ring, Oura

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 to 100 m/328 ft
  • Width: 7.90 mm; thickness: 2.88 mm
  • Weight: 3.3–5.2 g, depending on ring size
  • Supports flight mode

General specs

  • Brand: Oura
  • Model: Oura Ring 4
  • Seller: re:Store
  • ID: 4653522
  • Size: 10 (19.8)
  • Brand: OURA
  • Width: 7.90 mm
  • Weight: 3.3–5.2 g, depending on ring size
  • Sensors: Red and infrared LEDs measure blood oxygen; green and infrared LEDs alternately measure heart rate, heart rate variability, and breathing rate; a digital sensor measures temperature trends; an accelerometer tracks movement and activity
  • Materials: Hypoallergenic titanium on the inner and outer surfaces; seamless titanium inner finish
  • Thickness: 2.88 mm
  • Model Name: Oura Ring 4
  • Flight Mode: Supports flight mode
  • Connectivity: Bluetooth Low Energy
  • Product Type: Smart ring
  • Certification: FCC certified
  • 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 to 100 m/328 ft
  • App Compatibility: Oura app available for iOS and Android
  • Normal-use scratches: Minor scratches from normal use are described as normal
  • App measurement units: Supports metric and imperial units
  • Battery Life per Charge: 5–8 days, depending on ring size and lifestyle
  • Electromagnetic field safety: Described as safe for electromagnetic fields
  • First listed by seller: October 20, 2026

A silver smart ring in size 10 (19.8). Red and infrared LEDs measure blood oxygen; green and infrared LEDs alternately measure heart rate, heart rate variability and breathing rate. A digital sensor measures temperature trends, and an accelerometer tracks movement and activity.

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