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 zirconia ceramic smart ring in Tide (mint), size 09 (19). It tracks sleep phases, breathing, heart-rate variability, and skin temperature, with round-the-clock analysis of its metrics. The Oura app presents metrics in graphs and supports a standard Ring 4 and Ceramic ring in one account.
| This item | Recommendations | |||||
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Oura Oura Ring 4 Ceramic Tide (mint)
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Oura Ring 4 Ceramic Dark blue
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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 Cloud (also listed as beige; exact color unresolved)
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Oura Ring 4 Ceramic mint (Tide) Made of zirconia 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 |
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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) | 05 (15,7) | 10 (19,8) | 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 |
| Product family | Ring 4 | Oura Ring 4 | Ring 4 | Ring 4 | ||
| Scratch Resistance | Described as resistant to scratches | Described as resistant to scratches | The zirconia ceramic is described as scratch-resistant. | Described as resistant to scratches | ||
| Tracked sleep metrics | Sleep phases, breathing, heart-rate variability, and skin temperature | Sleep analysis includes sleep phases, breathing, heart-rate variability, and skin temperature. | Sleep phases, breathing, heart-rate variability, and skin temperature | |||
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