Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Oura Ring 4 Black, size 4 Smart ring and health tracker in size 4, Black
Available offers (15)
Current
Black, size 4
Newegg
€296.52
Available to order
Price history by offer
Volatility: MediumFeatures
- Size 4
- Black
General specs
- Brand: Oura
- Model: Ring 4
- Seller: Newegg
- ID: 9SIAKTXMA35425
- Size: 4
- Brand: Oura
- Model Name: Ring 4
- Part Number: JZ90-54144-04
- Product Type: Smart ring and health tracker
- First listed by seller: November 7, 2026
If you are interested in more details, you can find full information on the seller's page.
€296.52
Last price update: 11/7/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
Smart ring and health tracker in size 4, Black.
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Oura Ring 4 Black Size 4
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|
| Brand | Oura | Oura | Oura | Oura | Oura | Generic Logic, Inc. |
| Model | Ring 4 | Oura Ring 4 | Oura Ring 4 | Oura Ring 5 | Ring 5 | |
| Color |
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|
|
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| Price | €296.52 | €296.53 | €296.53 | €423.61 | €423.61 | €54.07 |
| 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 | 4 | 11 | 10 | 6 | 10 | 11 |
| Model Name | Ring 4 | Oura Ring 4 | Oura Ring 4 | Oura Ring 5 | Ring 5 | |
| Part Number | JZ90-54144-04 | JZ90-54217-11 | JZ90-54220-10 | JZ90-61620-06 | JZ90-63469-10 | 377622282672 |
| Product Type | Smart ring and health tracker | Smart ring and health tracker | Smart ring / health tracker | Smart ring and health tracker | Smart ring and health tracker | Smart ring health tracker |
Oura Ring 4 Black Size 4
€296.52
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