Price range
$337
– $399
Oura JZ90-54216-08 Ring 4
Oura Ring 4 smart ring for health tracking.
- 7 offers
- Size: 4 variants
Price spread
~18%
Across listed offers
Customer rating
64,710 ratings
Available offers (7)
Choose an offer, then open its detail page for seller-specific information.
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 |
|---|---|---|---|---|---|---|---|
| Price | $399.00 | $349.00 | $349.00 | $336.99 | $349.00 | $349.00 | $349.00 |
| Updated | Sep 9, 2026 The price may have changed — check it on the seller's site |
Oct 3, 2026 The price may have changed — check it on the seller's site |
Oct 2, 2026 The price may have changed — check it on the seller's site |
Sep 28, 2026 The price may have changed — check it on the seller's site |
Oct 2, 2026 The price may have changed — check it on the seller's site |
Sep 19, 2026 The price may have changed — check it on the seller's site |
Aug 6, 2026 The price may have changed — check it on the seller's site |
| Availability | 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 | — |
| Color | Gold | Silver | Silver | Silver | Silver | Black | Stealth |
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Herz P1 Tracks 20+ biometrics
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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 | $399.00 | $69.00 | $99.99 | $39.99 | $59.98 | $59.99 |
| 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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