Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
W55 40 mm Case · Pedometer 40 mm Smartwatch with Heart Rate Monitoring, ECG and Pedometer
Available offers (3)
Current
40 mm Case · Pedometer
Alibaba
€45.04
Available to order
Features
- Heart rate monitoring
- ECG function
- Pedometer
- 40 mm case size
General specs
- Model: W55
- Seller: Alibaba
- ID: 62420743342
- Model: W55
- Features: Heart Rate, ECG, Pedometer
- Product Type: smartwatch
- First listed by seller: September 22, 2026
If you are interested in more details, you can find full information on the seller's page.
€45.04
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
The W55 is a smartwatch with a 40 mm case.
- Heart rate monitoring
- ECG function
- Pedometer
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| Model | W55 | KW18 | W55, W54, W34 | N58 | NO.1 DT58 | W34 |
| Price | €45.04 | €28.54 | €11.58 | €22.07 | €12.04 | €13.38 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 | Oct 17, 2026 |
| Product Type | smartwatch | Wristwatches | smartwatch | smartwatch, smart bracelet, smart watch | smart watch | |
40 mm Smartwatch with Heart Rate Monitoring, ECG and Pedometer Heart rate monitoring
€45.04
When this device makes sense
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