Arm vs wrist monitors
Compare upper-arm and wrist blood pressure monitors by cuff fit, positioning, display readability, logging, and portability to avoid the wrong home format.
B71 Smart watch fitness tracker
Product details
General specs
- Model: B71
Starting from €23.40
Last price update: 9/22/26
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| Model | B71 | Kuaigao Q8 | F8 | Crystal 3 | 115PULS | B57-B |
| Price | €23.40 | €18.79 | €11.31 | €12.44 | €10.65 | €12.25 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 15, 2026 | Oct 15, 2026 | Oct 15, 2026 | Oct 15, 2026 | Oct 15, 2026 | Oct 15, 2026 |
| Product Type | Fitness Tracker | Smart Watch | Wrist Watch, Smart Bracelet, Smart Watch | smart watch | Smart Watch | |