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.
A smart ring with health, heart rate, and sleep monitoring and an IPX8 waterproof rating.
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| Model | R09 | SY16 | R3 | |||
| Price | PLN 75.33 | PLN 50.52 | PLN 87.20 | PLN 79.85 | PLN 62.75 | PLN 71.58 |
| Seller | AliExpress | AliExpress | AliExpress | AliExpress | AliExpress | Alibaba |
| Update | Nov 14, 2026 | Nov 14, 2026 | Sep 6, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 13, 2026 |
| Product Type | Smart ring | Smart ring | Smart Ring | Smart Ring | Fitness tracking ring | Smart Ring |
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