Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
B57 Blue, IP67 Smartwatch with Heart Rate Monitor
Available offers (5)
Current
Blue, IP67
Alibaba
RUB 946.86
Available to order
Features
- Compatible with Android
- Bluetooth connectivity
- IP67 water resistance rating
- Heart rate monitor
- Blue color
- Listed for sport use
General specs
- Model: B57
- Seller: Alibaba
- ID: 62370435069
- Model: B57
- Compatibility: Android
- Water Resistance: Waterproof
- Heart Rate Monitoring: Heart Rate Monitor
- Wireless Connectivity: Blue-tooth
- Ingress Protection Rating: IP67
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
RUB 946.86
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
Russia
Russia
Available
The B57 is a blue smartwatch/smart bracelet designed for Android compatibility. It connects through Bluetooth and is listed for sport use.
It has an IP67 water-resistance rating and includes a heart rate monitor.
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| Model | B57 | SKMEI W30 | CF68 | CF18 | T200 | DT78 |
| Price | RUB 946.86 | RUB 2,231.54 | RUB 1,588.80 | RUB 1,267.83 | RUB 2,326.22 | RUB 1,347.27 |
| 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 |
| Product Type | smart watch | Smart Watch, Sports Bracelet | Smart Watch, Sports Bracelet | |||
| Health Monitoring | Blood Pressure, Heart Rate | Heart Rate, Blood Pressure | Blood Pressure, Heart Rate | |||
| Waterproof Rating | IP67 | IP67 | IP68 | IP68 | ||
Smartwatch with Heart Rate Monitor Compatible with Android
RUB 946.86
When this device makes sense
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