Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
REWSX Smart Health Ring
Product details
General specs
- Brand: REWSX
- Battery Life: 3–5 d
- Connectivity: Bluetooth
- Charging Time: 2
- Charging Method: Magnetic
- Water Resistance: IP68
Starting from €50.85
Last price update: 3/30/26
A smart health ring designed for discreet, all-day monitoring of vital metrics like heart rate and blood oxygen, with intelligent sleep tracking and activity monitoring across multiple sport modes. It features a comfortable, slim design that's waterproof and offers long battery life, connecting seamlessly to smartphones via Bluetooth without any subscription fees for lifetime app access.
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| Brand | REWSX | FKGZJF | KppeX | SARUNN ER | BIEMHA | Tiantianka |
| Model | X1-11# | VR11 | B0G2CZ7KZV | |||
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| Price | €50.85 | €88.36 | €124.94 | €14.14 | €53.54 | €31.03 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 30, 2026 | Apr 23, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 | Mar 21, 2026 |
| Size | 14 | 8 | 11 | 7 | 10 | 7 |
| Material | Titanium Alloy | Metal | Stainless Steel | Titanium Alloy | Titanium Alloy | |
| Battery Life | 3–5 d | 3–5 d | 3–5 d | 5–7 d | 3–5 d | 7–10 d |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | |
| Charging Time | 2 | 2 | 2 | |||
| Charging Method | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
| OS Compatibility | Android 4.4+, iOS 8.4+ | Android 4.4, iOS 8.4 | Android 4.4+, iOS 8.4+ | Android, iOS | iOS, Android | Android, iOS |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
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