Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Oura Ring 4 Ceramic
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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.
Features
- Zirconia ceramic, described as scratch-resistant and not fading over time
- Slightly thicker than the standard Ring 4
- Sensors, battery, and measurement accuracy described as the same as the standard Oura Ring 4
- Analyzes sleep phases, breathing, heart-rate variability, and skin temperature; metrics are shown in the Oura app
- Described as providing round-the-clock analysis of indicators
- A standard Ring 4 and Ceramic can be switched between in the app without complex setup, using one account
General specs
- Brand: Oura
- Model: Ring 4 Ceramic
- Seller: re:Store
- ID: 4655548
- Size: 10 (19,8)
- Brand: OURA
- Thickness: Slightly thicker than the standard Ring 4.
- Model Name: Ring 4 Ceramic
- Product Type: Smart ring
- Product family: Ring 4
- Sleep Analysis: Analyzes sleep phases, breathing, heart-rate variability, and skin temperature; metrics are shown in the Oura app.
- App account use: The description says a standard Ring 4 and Ceramic can be switched between in the app without complex setup, using one account.
- Ceramic material: Zirconia ceramic; described as scratch-resistant and not fading over time.
- Analysis frequency: Described as round-the-clock analysis of indicators.
- Sensors, battery, and measurement accuracy: Described as the same as the standard Oura Ring 4.
- First listed by seller: October 20, 2026
A smart ring made of zirconia ceramic, described as scratch-resistant and not fading over time. It analyzes sleep phases, breathing, heart-rate variability, and skin temperature, with metrics shown in the Oura app. Sensors, battery, and measurement accuracy are described as the same as the standard Oura Ring 4.
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