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 Ring 4 Ceramic Smart Ring, Size 10 (19.8)
If you are interested in more details, you can find full information on the seller's page.
€555.44
Last price update: 10/20/26
Available to order
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United States
United States
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Product details
Features
- Analyzes sleep phases, breathing, heart-rate variability, and skin temperature, with metrics shown in the Oura app.
- The listing says Ceramic is slightly thicker than standard Ring 4 and has the same measurement accuracy.
- Users with both standard Ring 4 and Ceramic can switch between them in the app without complex setup, according to the listing.
- Zirconia ceramic; the listing describes it as scratch-resistant and says it does not fade over time.
Oura Ring 4 Ceramic is a smart ring made of zirconia ceramic. The listing describes the material as scratch-resistant and says it does not fade over time. It says the ring analyzes sleep phases, breathing, heart-rate variability, and skin temperature, with metrics shown in the Oura app. The listing also says Ceramic is slightly thicker than standard Ring 4 and has the same measurement accuracy.
General specs
- Brand: Oura
- Model: Oura Ring 4 Ceramic
- Seller: re:Store
- ID: 4655546
- Size: 10 (19,8)
- Brand: OURA
- Material: Zirconia ceramic
- Generation: 4
- Model Name: Oura Ring 4 Ceramic
- Product Type: Smart ring
- App switching: The listing says users with both standard Ring 4 and Ceramic can switch between them in the app without complex setup.
- App metric display: Metrics are shown in the Oura app; the external description says they are presented in the app.
- Thickness comparison: The listing says the Ceramic ring is slightly thicker than standard Ring 4.
- Sleep and health metrics: The listing says the ring analyzes sleep phases, breathing, heart-rate variability, and skin temperature.
- Material durability claims: The listing describes the zirconia ceramic as scratch-resistant and says it does not fade over time.
- Measurement accuracy comparison: The listing states that Ceramic has the same measurement accuracy as standard Oura Ring 4.
- First listed by seller: October 20, 2026
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| Brand | Oura | Oura | ZOOROO | SHGMEET | Oura | Govllfoz |
| Model | Oura Ring 4 Ceramic | Ring 4 | oura ring cover | X1 | JZ90-51384-09 | |
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| Price | €555.44 | €312.04 | €6.23 | €53.49 | €311.16 | €53.49 |
| Seller | re:Store | Newegg | Retailer | Retailer | Retailer | Retailer |
| Update | Oct 26, 2026 | Oct 26, 2026 | Apr 10, 2026 | May 29, 2026 | May 12, 2026 | May 20, 2026 |
| Size | 10 (19,8) | 5 | 11 | 9 | ||
| Material | Zirconia ceramic | Titanium alloy, Ceramic coating | Ceramic | |||
Oura Oura Ring 4 Ceramic Cloud; also listed as beige
€555.44
When this device makes sense
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