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 and health tracker in size 11 and silver.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
|
Oura Oura Ring 4 Silver Smart ring and health tracker
|
Oura Ring 4 Silver Smart ring and health tracker
|
Oura Ring 4 Brushed Silver
|
Oura Ring 4 Silver Smart ring health tracker
|
Oura Ring 4 Black Size 4
|
Oura Ring 4 Ceramic Midnight
|
|
| Brand | Oura | Oura | Oura | Oura | Oura | Oura |
| Model | Oura Ring 4 | Ring 4 | Ring 4 | Ring 4 | Ring 4 | Ring 4 |
| Color |
|
|
|
|
|
|
| Price | €296.53 | €296.53 | €296.53 | €296.53 | €296.52 | €342.49 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 |
| Size | 11 | 10 | 11 | 8 | 4 | 4 |
| Model Name | Oura Ring 4 | Ring 4 | Ring 4 | Ring 4 | Ring 4 | Ring 4 |
| Part Number | JZ90-54217-11 | JZ90-54217-10 | JZ90-54220-11 | JZ90-54217-08 | JZ90-54144-04 | JZ90-57455-04 |
| Product Type | Smart ring and health tracker | Smart ring and health tracker | Smart ring and health tracker | Smart ring health tracker | Smart ring and health tracker | Smart ring / health tracker |
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.