Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
B57 IP67 Fitness Tracker Fitness Tracker Smartwatch with Heart Rate and Blood Pressure Monitoring
Available offers (7)
Current
IP67 Fitness Tracker
Alibaba
PLN 43.96
Available to order
Features
- Heart rate monitoring
- Blood pressure monitoring
- IP67 water resistance rating
General specs
- Model: B57
- Seller: Alibaba
- ID: 62228266358
- Model: B57
- Device Type: fitness tracker, smart watch
- Waterproof Rating: IP67
- Heart Rate Monitoring: Heart Rate Monitor
- Blood Pressure Monitoring: Blood Pressure
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
PLN 43.96
Last price update: 11/13/26
Available to order
We may earn a commission
Shipping options
Delivery to 
Poland
Poland
Available
The B57 is a fitness tracker smartwatch with heart rate monitoring and blood pressure monitoring. Its stated water resistance rating is IP67.
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Fitness Tracker Smartwatch with Heart Rate and Blood Pressure Monitoring Heart rate monitoring
|
BRIM V11 Supplier-stated IP67 water resistance rating.
|
BRIM Karen M V11 IP67 water resistance rating.
|
Sport smartwatch fitness tracker Blood pressure monitoring
|
Fitness Tracker with Round Full Touch Screen Water resistance rating: IP68.
|
Smart Watch / Sports Bracelet Water resistance rating: IP67
|
|
| Brand | BRIM | BRIM | KOSPET | |||
| Model | B57 | V11 | Karen M V11 | DT78 | CF18 | |
| Price | PLN 43.96 | PLN 71.54 | PLN 69.54 | PLN 51.95 | PLN 78.33 | PLN 63.15 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Waterproof Rating | IP67 | IP67 | IP67 | IP67 | IP67 | |
Fitness Tracker Smartwatch with Heart Rate and Blood Pressure Monitoring Heart rate monitoring
PLN 43.96
We may earn a commission
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.