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Oura Oura Ring 4 Matte black

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Last known price: RUB 36,990.00 (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, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Thumbnail Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Thumbnail Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Thumbnail Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Thumbnail Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Thumbnail Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura
Thumbnail Smart Ring, Matte Black, Size 14 (23,1) — Smart Ring, Oura

Features

  • Battery runtime: 5–8 days, depending on ring size and lifestyle.
  • Charging time is usually 20–80 minutes, depending on battery charge level.
  • Water resistance rating: up to 100 m/328 ft.
  • Red and infrared LEDs measure blood oxygen level; green and infrared LEDs alternate to 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.
  • Available for iOS and Android; integrates with more than 40 apps via Bluetooth Low Energy.
  • Hypoallergenic titanium on the inner and outer surfaces. Minor scratches from normal use are normal.

General specs

  • Brand: Oura
  • Model: Oura Ring 4
  • Seller: re:Store
  • ID: 4659128
  • Size: 14 (23,1)
  • 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
  • Thickness: 2.88 mm
  • Model Name: Oura Ring 4
  • Product Type: Smart ring
  • Charging Time: Usually 20–80 minutes, depending on battery charge level
  • Battery Runtime: 5–8 days, depending on ring size and lifestyle
  • Normal-use wear: Minor scratches from normal use are normal
  • App integrations: Integrates with more than 40 apps
  • Wireless connection: Bluetooth Low Energy
  • Temperature Measurement: A digital sensor measures temperature trends
  • Water Resistance Rating: Up to 100 m/328 ft
  • Blood Oxygen Measurement: Red and infrared LEDs measure blood oxygen level
  • App platform compatibility: Available for iOS and Android
  • Movement and activity tracking: An accelerometer tracks movement and activity around the clock
  • Heart and breathing measurements: Green and infrared LEDs alternate to measure heart rate, heart rate variability, and breathing rate around the clock
  • First listed by seller: October 20, 2026

A matte black smart ring with a 7.90 mm width, 2.88 mm thickness, and weight of 3.3–5.2 g depending on ring size. Battery runtime is 5–8 days depending on ring size and lifestyle. It measures blood oxygen, heart rate, heart rate variability, breathing rate, temperature trends, movement, and activity.

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