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.
Smart ring / health tracker in size 12 and Cloud.
Made of ceramic.
| This item | Recommendations | |||||
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Oura Ring 4 Cloud Made of ceramic.
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Oura Oura Ring 4 Silver Smart ring and health tracker
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Oura Oura Ring 4 Brushed Silver Smart ring and health tracker.
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Oura Ring 5 Deep Rose
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Oura Oura Ring 5 Stealth Smart ring and health tracker
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Smart Ring Fitness Tracker Comprehensive health monitoring system
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| Brand | Oura | Oura | Oura | Oura | Oura | Luxelle |
| Model | Ring 4 | Oura Ring 4 | Oura Ring 4 | Ring 5 | Oura Ring 5 | |
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| Price | €342.49 | €296.53 | €296.53 | €423.61 | €423.61 | €30.44 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Retailer |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | May 20, 2026 |
| Size | 12 | 11 | 10 | 10 | 6 | |
| Model Name | Ring 4 | Oura Ring 4 | Oura Ring 4 | Ring 5 | Oura Ring 5 | |
| Part Number | JZ90-57460-12 | JZ90-54217-11 | JZ90-54220-10 | JZ90-63469-10 | JZ90-61620-06 | |
| Product Type | Smart ring / health tracker | Smart ring and health tracker | Smart ring / health tracker | Smart ring and health tracker | Smart ring and health tracker | |
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