Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
SORNBEO B0F8HMRF8Z Smart Fitness Ring
Product details
General specs
- Brand: SORNBEO
- Model: B0F8HMRF8Z
Starting from €89.29
Last price update: 3/21/26
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| Brand | SORNBEO | FKGZJF | Tiantianka | Aichiken | Fvtga | BIEMHA |
| Model | B0F8HMRF8Z | B0G2CZ7KZV | 739562467210 | FT Ring | VR11 | |
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| Price | €89.29 | €88.40 | €31.05 | €44.64 | €33.03 | €53.57 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Mar 21, 2026 | Apr 23, 2026 | Mar 21, 2026 | Apr 15, 2026 | Apr 27, 2026 | Mar 21, 2026 |
| Size | 9 | 8 | 7 | 7 | 10 | 10 |
| Weight | 2 | 100 | <num1>, <num2> | |||
| Battery Life | 3–5 d | 3–5 d | 7–10 d | 3–5 d | 3–5 d | |
| Charging Time | 1, 2 | 2 | 1, 2 | |||
| OS Compatibility | Android 5.0+, iOS | Android 4.4, iOS 8.4 | Android, iOS | Android, iOS | Android 5.0+, iOS 10+ | iOS, Android |
| Water Resistance | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
| Material | Metal | Titanium Alloy | Titanium Alloy | |||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| Charging Method | Magnetic | Magnetic | Magnetic | |||
When this device makes sense
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