Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Oura Oura Ring 4 Ceramic Size 10 (19,8), Dark blue (Dark night) Smart Ring, Dark Blue, Size 10 (19,8)
Available offers (13)
Current
Size 10 (19,8), Dark blue (Dark night)
re:Store
RUB 49,990.00
Available to order
Features
- Made of zirconia ceramic described as resistant to scratches.
- Analyzes sleep phases, breathing, heart-rate variability, and skin temperature.
- The Oura app presents metrics in charts and provides recommendations.
- The description says a standard Ring 4 and Ceramic ring can be switched between in the app under one account.
General specs
- Brand: Oura
- Model: Oura Ring 4 Ceramic
- Seller: re:Store
- ID: 4655544
- Size: 10 (19,8)
- Brand: OURA
- Material: Zirconia ceramic
- Model Name: Oura Ring 4 Ceramic
- Product Type: Smart ring
- App presentation: The Oura app presents metrics in charts and provides recommendations.
- Scratch Resistance: The ceramic is described as resistant to scratches.
- Sleep tracking metrics: Analyzes sleep phases, breathing, heart-rate variability, and skin temperature.
- Compatibility with other rings: The description says a standard Ring 4 and Ceramic ring can be switched between in the app under one account.
- First listed by seller: October 20, 2026
If you are interested in more details, you can find full information on the seller's page.
RUB 49,990.00
Last price update: 10/20/26
Available to order
Shipping options
Delivery to 
Russia
Russia
Available
Dark blue smart ring made of zirconia ceramic. It analyzes sleep phases, breathing, heart-rate variability, and skin temperature; the Oura app presents metrics in charts and provides recommendations. The description says a standard Ring 4 and Ceramic ring can be switched between in the app under one account.
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Oura Oura Ring 4 Ceramic Dark blue
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Oura Ring 4 Ceramic dark blue Zirconia ceramic outer material
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| Brand | Oura | Oura | Oura | Oura | Oura | Oura |
| Model | Oura Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic |
| Color |
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| Price | RUB 49,990.00 | RUB 49,990.00 | RUB 49,990.00 | RUB 49,990.00 | RUB 49,990.00 | RUB 49,990.00 |
| Seller | re:Store | re:Store | re:Store | re:Store | re:Store | re:Store |
| Update | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 |
| Size | 10 (19,8) | 05 (15,7) | 06 (16,5) | 05 (15,7) | 10 (19,8) | 07 (17,3) |
| Material | Zirconia ceramic | Zirconia ceramic | Zirconia ceramic. | |||
| Model Name | Oura Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic |
| Product Type | Smart ring | Smart ring | smart ring | smart ring | Smart ring | smart ring |
| Scratch Resistance | The ceramic is described as resistant to scratches. | The zirconia ceramic is described as resistant to scratches. | Described as resistant to scratches | The description states the zirconia ceramic is scratch-resistant. | ||
| Product family | Ring 4 | Ring 4 | Ring 4 | |||
Oura Oura Ring 4 Ceramic Dark blue
RUB 49,990.00
When this device makes sense
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