Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
A pink zirconia ceramic smart ring in size 07 (17,3). It tracks sleep phases, breathing, heart-rate variability, and skin temperature. The material is described as scratch-resistant and not fading over time. It is described as having the same sensors and battery as the standard Oura Ring 4; a standard Ring 4 and Ceramic can be switched between in the app without complex setup. Manufacturer warranty: 12.
| This item | Recommendations | |||||
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Oura Oura Ring 4 Ceramic Petal
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Oura Ring 4 Ceramic Petal (pink)
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Oura Ring 4 Ceramic
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Oura Ring 4 Ceramic dark blue Outer material: zirconia ceramic
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Oura Ring 4 Ceramic Cloud (also listed as beige; exact color unresolved)
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Oura Ring 4 Ceramic Dark blue
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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 |
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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 | 07 (17,3) | 05 (15,7) | 05 (15,7) | 06 (16,5) | 12 (21,4) | 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 | Ring 4 Ceramic | Ring 4 Ceramic |
| Product Type | smart ring | Smart ring | Smart ring | smart ring | Smart ring | Smart ring |
| Manufacturer warranty | Yes | Yes | Provided | |||
| Scratch Resistance | The zirconia ceramic is described as scratch-resistant. | The zirconia ceramic is described as resistant to scratches. | Described as resistant to scratches | Described as resistant to scratches | Described as resistant to scratches | |
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