Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
B57 Fitness Sports Smartwatch with Heart Rate Monitor
If you are interested in more details, you can find full information on the seller's page.
RUB 922.79
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
Russia
Russia
Available
Product details
Features
- Heart rate monitor
- Compatibility: iOS and Android
- Water resistance rating: IP67
Model B57 is a fitness sports smartwatch/smart wristband with an IP67 water-resistance rating and a heart rate monitor.
It is stated to be compatible with iOS and Android.
General specs
- Model: B57
- Seller: Alibaba
- ID: 62134481549
- Model: B57
- Heart Rate Monitoring: Heart Rate Monitor
- Ingress Protection Rating: IP67
- Operating System Compatibility: iOS, Android
- First listed by seller: September 22, 2026
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Fitness Sports Smartwatch with Heart Rate Monitor Water resistance rating: IP67
|
Fitness Sports Watch Supplier-stated water resistance rating: IP67.
|
Smartwatch with Blood Pressure and Heart Rate Monitoring Blood pressure monitoring
|
Smartwatch with Heart Rate Monitoring IP68 water resistance rating
|
Smartwatch The supplier states an IP67 waterproof rating.
|
Zeblaze VIBE5 Water resistance rating: IP67
|
|
| Model | B57 | B57 | CF68 | KW10 Smart Watch 2019 | Y7 | VIBE5 |
| Price | RUB 922.79 | RUB 954.88 | RUB 1,588.80 | RUB 1,981.98 | RUB 1,187.59 | RUB 2,246.78 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 | Oct 26, 2026 |
| Heart Rate Monitoring | Heart Rate Monitor | Heart Rate Monitor | Heart Rate Monitoring | |||
| Ingress Protection Rating | IP67 | Ip67 | IP67 | |||
| Compatible Operating Systems | Ios, Android | Android, IOS | Android, IOS | Android, IOS | Android, iOS | |
Fitness Sports Smartwatch with Heart Rate Monitor Water resistance rating: IP67
RUB 922.79
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.