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 08 (18,2), Dark blue (Dark night) Smart Ring, Dark Blue, 08 (18,2)
Available offers (13)
Current
Size 08 (18,2), Dark blue (Dark night)
re:Store
RUB 49,990.00
Available to order
Features
- Made of zirconia ceramic.
- The zirconia ceramic is described as scratch-resistant and as not fading over time.
- Analyzes sleep phases, breathing, heart-rate variability, and skin temperature; the Oura app presents the metrics.
- The description says the Ceramic version has the same sensors, battery, and measurement accuracy as the standard Oura Ring 4.
- If the user has both a standard Ring 4 and a Ceramic ring, the description says they can switch between them in the app without complex setup.
General specs
- Brand: Oura
- Model: Oura Ring 4 Ceramic
- Seller: re:Store
- ID: 4655528
- Size: 08 (18,2)
- Brand: OURA
- Material: Zirconia ceramic.
- Model Name: Oura Ring 4 Ceramic
- Product Type: Smart ring
- App metric presentation: The Oura app presents the metrics.
- Tracked sleep and health metrics: Analyzes sleep phases, breathing, heart-rate variability, and skin temperature.
- Comparison with standard Oura Ring 4: The description says the Ceramic version has the same sensors, battery, and measurement accuracy as the standard Oura Ring 4.
- Scratch resistance and color retention: The zirconia ceramic is described as scratch-resistant and as not fading over time.
- App support for switching between rings: If the user has both a standard Ring 4 and a Ceramic ring, the description says they can switch between them in the app without complex setup.
- 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
A dark blue smart ring made of zirconia ceramic. It analyzes sleep phases, breathing, heart-rate variability, and skin temperature, with metrics presented in the Oura app.
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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 | Oura 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 | 08 (18,2) | 11 (20.6) | 12 (21,4) | 12 (21,4) | 10 (19,8) | 05 (15.7) |
| Material | Zirconia ceramic. | Zirconia ceramic. | Zirconia ceramic | Zirconia ceramic | ||
| Model Name | Oura Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Ring 4 Ceramic | Oura Ring 4 Ceramic | Ring 4 Ceramic |
| Product Type | Smart ring | smart ring | Smart ring | Smart ring | Smart ring | Smart ring |
| Thickness comparison | Slightly thicker than the standard Ring 4. | The listing says the Ceramic ring is slightly thicker than standard Ring 4. | Slightly thicker than the standard Ring 4 | |||
Oura Oura Ring 4 Ceramic Dark blue Made of zirconia ceramic.
RUB 49,990.00
When this device makes sense
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