Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
B57 IP67 with Blood Pressure Monitoring Heart Rate and Blood Pressure Monitor Smart Watch
Available Options
Current
IP67 with Blood Pressure Monitoring
Alibaba
€9.64
Available to order
Features
- IP67 waterproof rating
- Heart rate monitor
- Blood pressure monitor
Product details
General specs
- Model: B57
- Model: B57
If you are interested in more details, you can find full information on the seller's page.
€9.64
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
The B57 is a 2019 smart watch and fitness tracker. It has an IP67 waterproof rating and includes heart rate and blood pressure monitoring features.
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| Brand | BRIM | BRIM | Microwear | |||
| Model | B57 | V11 | V11 | W34 | CY16 | |
| Color | ||||||
| Rating | ||||||
| Price | €9.64 | €12.28 | €15.71 | €15.28 | €11.85 | €13.17 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Sep 27, 2026 | Sep 27, 2026 | Sep 27, 2026 | Sep 27, 2026 | Sep 27, 2026 | Sep 27, 2026 |
| Product Type | Smart Watch | Smart Watch, Sport Wristband, Fitness Tracker | Smart Watch | Smart watch | ||
| Intended Users | Men, Women | Men, women | Men, women | |||
| Waterproof Rating | IP67 | IP67 | IP67 | |||
Heart Rate and Blood Pressure Monitor Smart Watch IP67 waterproof rating
€9.64
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