Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Duogu B57 Smartwatch with IPS Screen and Sport Tracker
Product details
General specs
- Brand: Duogu
- Model: B57
Starting from €9.24
Last price update: 9/22/26
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| Brand | Duogu | Haylou | LANYAN | Huawei | Haylou | |
| Model | B57 | LS01 Global Version | LANYAN DT78 RTS | MagicWatch 2 | LS01 | K88H Plus Smart Watch |
| Price | €9.24 | €18.73 | €16.50 | €139.77 | €20.96 | €33.47 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 |
| Product Type | Smartwatch | Smart Watch | Smart Watch | smartwatch | Smart Watch | |
| Compatible Operating Systems | IOS, Android | Android, ios | android, ios | Android, ios | ||
