Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Touch Color Screen Touch Color Screen Fitness Heart Rate Smart Watch
Available offers (7)
Current
Touch Color Screen
Alibaba
€11.59
Available to order
Features
- Touch color screen
- Fitness and heart-rate features
- Listed for iPhone and Android
General specs
- Seller: Alibaba
- ID: 62014896969
- Model: B57
- Display: Touch Color Screen
- Features: Fitness, Heart Rate
- Product Type: Smart watch
- Compatible Platforms: iPhone, Android
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
€11.59
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
The B57 is a fitness smartwatch with a touch color screen and a stated heart-rate feature. The screen allows direct touch interaction. The listing names iPhone and Android but gives no further compatibility details.
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| Brand | Microwear | Huawei | FITUP | COLMI | ||
| Price | €11.59 | €16.95 | €139.66 | €22.07 | €11.86 | €16.05 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 9, 2026 | Oct 9, 2026 | Oct 9, 2026 | Oct 9, 2026 | Oct 9, 2026 | Oct 9, 2026 |
| Product Type | Smart watch | smartwatch | Smartwatch | Smart Watch, Bracelet, Smartwatch, Wristwatch | smart watch | |
Touch Color Screen Fitness Heart Rate Smart Watch Touch color screen
€11.59
When this device makes sense
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