Price range
€27
– €36
UniJethro SR11M Smart Ring
The UniJethro Smart Ring discreetly tracks health and fitness. Monitor heart rate, blood oxygen, sleep, and activity. Features remote photography, Family Care, IP68 waterproof, 5-7 day battery, charging case, no subscription fees.
- 8 offers
- Health monitoring (heart rate, blood oxygen, sleep)
- Size: 7 variants
Price spread
~33%
Across listed offers
Customer rating
294 ratings
Available offers (8)
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 | Size 11#, Rose Gold | Size 10#, Rose Gold | Size 8, Silver | Size 8#, Black | Size 6#, Rose Gold | Size 7, Black | Size 7#, Rose Gold | Size 6#, Lavender Pink |
|---|---|---|---|---|---|---|---|---|
| Price | €32.03 | €26.69 | €35.59 | €32.03 | €32.03 | €35.59 | €35.59 | €32.03 |
| Updated | Apr 9, 2026 | Sep 4, 2026 | Dec 6, 2025 | Apr 7, 2026 | Apr 7, 2026 | Dec 6, 2025 | Dec 6, 2025 | Apr 7, 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 | 11# | 10# | 8 | 8# | 6# | 7 | 7# | 6# |
| Color | Rose Gold | Rose Gold | Silver | Black | Rose Gold | Black | Rose Gold | Lavender Pink |
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| Brand | UniJethro | Uni-Green | Freeze2Trim | Rugsoul | Oulencu | Oura |
| Model | SR11M | ours ring sizing kit | 24OL-NVSR | JZ90-54217-10 | ||
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| Price | €32.03 | €25.34 | €38.26 | €61.40 | €88.98 | €310.58 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Apr 7, 2026 | May 18, 2026 | May 8, 2026 | Mar 21, 2026 | May 9, 2026 | Jun 24, 2026 |
| Size | 8# | 8 | 13 | 10 | ||
| Battery Life | 5-7 days | 6, 7 | Up to 8 days | |||
| Weight | 5.39 | 2.83 | 0.3968320716 pounds | |||
When this device makes sense
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