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Oura Oura Ring 4 Black

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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 4, Size 06 (16,5), Black — Smart Ring, Oura
Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Thumbnail Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Thumbnail Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Thumbnail Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Thumbnail Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Thumbnail Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura
Thumbnail Smart Ring 4, Size 06 (16,5), Black — Smart Ring, Oura

Features

  • Battery life: 5–8 days, depending on Oura Ring size and lifestyle.
  • Charging time: usually 20–80 minutes, depending on battery charge level.
  • Waterproof up to 100 m/328 ft.
  • Hypoallergenic titanium inner and outer surfaces with a seamless titanium inner finish.
  • Measures 7.90 mm wide and 2.88 mm thick; weight is 3.3–5.2 g, depending on Oura Ring size.
  • Red and infrared LEDs measure blood oxygen levels; 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.
  • Available for iOS and Android; Bluetooth Low Energy connectivity; integrates with more than 40 apps.
  • Firmware updates automatically through the Oura app; supports airplane mode.

General specs

  • Brand: Oura
  • Model: Oura Ring 4
  • Seller: re:Store
  • ID: 4655582
  • Size: 06 (16,5)
  • Brand: OURA
  • Width: 7.90 mm.
  • Weight: 3.3–5.2 g, depending on Oura Ring size.
  • Material: Hypoallergenic titanium on the inner and outer surfaces; seamless titanium inner finish.
  • Thickness: 2.88 mm.
  • Model Name: Oura Ring 4
  • Battery Life: 5–8 days, depending on Oura Ring size and lifestyle.
  • Product Type: Smart ring
  • Airplane mode: Supports airplane mode.
  • 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 up to 100 m/328 ft.
  • Wireless Connectivity: Bluetooth Low Energy.
  • Temperature Measurement: A digital sensor measures temperature trends.
  • Blood Oxygen Measurement: Red and infrared LEDs measure blood oxygen levels.
  • Mobile platform compatibility: Available for iOS and Android.
  • Movement and activity tracking: An accelerometer tracks movement and activity around the clock.
  • Heart rate, heart rate variability, and respiratory rate measurement: Green and infrared LEDs alternately measure heart rate, heart rate variability, and respiratory rate around the clock.
  • First listed by seller: October 20, 2026

A smart ring with blood oxygen, heart rate, heart rate variability, respiratory rate, temperature trend, movement, and activity measurements. It is compatible with iOS and Android, uses Bluetooth Low Energy, and integrates with more than 40 apps.

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