Price range
€300
– €355
Oura JZ90-54216-08 Ring 4
Oura Ring 4 smart ring for health tracking.
- 8 offers
- Size: 5 variants
Price spread
~18%
Across listed offers
Customer rating
64,710 ratings
Available offers (8)
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Offer comparison
Compare prices, availability, and key variant differences in one table.
| Feature | Gold, size 8 | Silver, size 8 | Silver, size 10 | Silver, size 9 | Silver, size 11 | Black, size 11 | Stealth, size 11 | Ceramic Midnight, size 5 |
|---|---|---|---|---|---|---|---|---|
| Price | €355.07 | €310.58 | €310.58 | €299.89 | €310.58 | €310.58 | €310.58 | €320.36 |
| Updated | Sep 9, 2026 | Oct 3, 2026 | Oct 2, 2026 | Sep 28, 2026 | Oct 2, 2026 | Sep 19, 2026 | Aug 6, 2026 | Oct 6, 2026 |
| Availability | Available to order | Available to order | Available to order | Available to order | Available to order | Available to order | Available to order | Available to order |
| Size | 8 | 8 | 10 | 9 | 11 | 11 | — | 5 |
| Color | Gold | Silver | Silver | Silver | Silver | Black | Stealth | Ceramic Midnight |
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Oura JZ90-54216-08 Gold Tracks 50+ health metrics
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| Brand | Oura | Rugsoul | Victormont | UniJethro | Duobuy | Herz |
| Model | JZ90-54216-08 | Gen-11 | SR11M | Smart Ring | P1 | |
| Rating |
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| Price | €355.07 | €61.40 | €88.98 | €35.59 | €53.38 | €53.39 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 13, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | May 9, 2026 |
| Battery Life | 5 to 8 days | 20 days with wireless charging case | 5-7 days | |||
| batteries | 3 AAA batteries required. | 1 A batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |||
| Item Weight | 1 Ounces | 5.3 ounces | 3.84 ounces | 0.127 ounces | ||
| Package Dimensions | 1.57 x 1.18 x 0.79 inches | 3.98 x 3.94 x 1.85 inches | 3.07 x 2.91 x 1.85 inches | 15.55 x 12.56 x 9.33 inches | ||
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