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Oura Ring 4 Ceramic Dark blue

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Last known price: RUB 49,990.00 (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 05 (15.7), Dark Blue — Smart Ring, Oura
Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura
Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura
Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura
Thumbnail Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura
Thumbnail Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura
Thumbnail Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura
Thumbnail Smart Ring, Size 05 (15.7), Dark Blue — Smart Ring, Oura

Features

  • Zirconia ceramic material; described as resistant to scratches.
  • Described as retaining its color and gloss without fading over time, including after active wear.
  • Slightly thicker than the standard Ring 4.
  • Described as having the same sensors, battery and measurement accuracy as the standard Oura Ring 4.
  • Tracks sleep phases, breathing, heart-rate variability and skin temperature.
  • The app supports switching between a standard Ring 4 and Ceramic ring within one account.

General specs

  • Brand: Oura
  • Model: Ring 4 Ceramic
  • Seller: re:Store
  • ID: 4655602
  • Size: 05 (15.7)
  • Brand: OURA
  • Material: Zirconia ceramic
  • Model Name: Ring 4 Ceramic
  • Product Type: Smart ring
  • Color retention: Described as not fading over time and retaining its color and gloss after active wear
  • Scratch Resistance: Described as resistant to scratches
  • Thickness comparison: Slightly thicker than the standard Ring 4
  • App account switching: The app supports switching between a standard Ring 4 and Ceramic ring within one account
  • Tracked sleep and health metrics: Sleep phases, breathing, heart-rate variability and skin temperature
  • Sensor, battery and measurement accuracy comparison: Described as having the same sensors, battery and measurement accuracy as the standard Oura Ring 4
  • First listed by seller: October 20, 2026

Smart ring made of zirconia ceramic, described as scratch-resistant and as retaining its color and gloss without fading over time, including after active wear. It is slightly thicker than the standard Ring 4 and is described as having the same sensors, battery and measurement accuracy as the standard Oura Ring 4. It tracks sleep phases, breathing, heart-rate variability and skin temperature; the app supports switching between a standard Ring 4 and Ceramic ring within one account.

When this device makes sense

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