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 09 (19), Dark blue (Dark night) Smart Ring, Ring 4 Ceramic, size 09 (19), dark blue
Available offers (13)
Current
Size 09 (19), Dark blue (Dark night)
re:Store
RUB 49,990.00
Available to order
Features
- Ring material: zirconia ceramic.
- Analyzes sleep phases, breathing, heart-rate variability, and skin temperature.
- The Oura app presents metrics and recommendations.
- A regular Ring 4 and a Ceramic ring can be switched between in the app under one account.
- Manufacturer warranty indicated: yes.
General specs
- Brand: Oura
- Model: Oura Ring 4 Ceramic
- Seller: re:Store
- ID: 4655536
- Size: 09 (19)
- Brand: OURA
- Model Name: Oura Ring 4 Ceramic
- Product Type: Smart ring
- Ring material: Zirconia ceramic
- Product family: Ring 4
- App presentation: The Oura app presents metrics and recommendations
- App account switching: A regular Ring 4 and a Ceramic ring can be switched between in the app under one account
- Sleep metrics analyzed: Sleep phases, breathing, heart-rate variability, and skin temperature
- Manufacturer warranty indicated: Yes
- 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 smart ring made of zirconia ceramic. It analyzes sleep phases, breathing, heart-rate variability, and skin temperature. The Oura app presents metrics and recommendations, and one account can be used to switch between a regular Ring 4 and a Ceramic ring.
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Oura Ring 4 Ceramic
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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 | 09 (19) | 05 (15,7) | 06 (16,5) | 11 (20.6) | 07 (17,3) | 10 (19,8) |
| 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 |
| Product family | Ring 4 | Ring 4 | Ring 4 | Ring 4 | ||
| Outer Material | Zirconia ceramic | Zirconia ceramic. | Zirconia ceramic | |||
Oura Oura Ring 4 Ceramic Dark blue; also described as dark night Ring material: zirconia ceramic.
RUB 49,990.00
When this device makes sense
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