Sleep Wearable Form Factor
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B57 Multiple Sport Modes Smart Watch Fitness Bracelet
Available offers (7)
Current
Multiple Sport Modes
Alibaba
€11.36
Available to order
Features
- Heart rate monitor
- Blood pressure monitor
- Multiple sport modes
General specs
- Model: B57
- Seller: Alibaba
- ID: 62263939423
- Model: B57
- Sport Modes: multiple sport
- Product Type: smart watch
- Blood Pressure: blood pressure
- Heart Rate Monitor: heart rate monitor
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
€11.36
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
The B57 is a smart watch fitness bracelet. It includes a heart rate monitor, a blood pressure monitor, and multiple sport modes.
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| Brand | Amazon | Fitpolo | SYYTECH | |||
| Model | B57 | D205L | F8 | |||
| Price | €11.36 | €18.03 | €10.73 | €16.22 | €19.37 | €14.41 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 |
| Product Type | smart watch | smart watch, Fitness Tracker, smart bracelet, smartwatch | activity fitness smart sport watch | Smart Watch | smart watch, smart bracelet | |
| Heart Rate Monitoring | heart rate monitor | Heart Rate Monitor | heart rate monitor | heart rate | ||
Smart Watch Fitness Bracelet Heart rate monitor
€11.36
When this device makes sense
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