Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
IWO W55 W55 Smartwatch with Bluetooth Calling, Heart Rate Monitoring and ECG
Available Options
Current
Alibaba
€44.60
Available to order
Features
- Bluetooth calling
- Heart rate monitor
- ECG monitoring
- 40MM and 44MM case sizes
- IP68 water resistance rating
- Compatible with Apple iOS
- Series 5 design
Product details
General specs
- Model: IWO 12
- Model: IWO 12
- Series: Series 5
- Product Type: Smartwatch
If you are interested in more details, you can find full information on the seller's page.
€44.60
Last price update: 9/22/26
Available to order
Shipping options
Delivery to 
United States
United States
Available
This W55 smartwatch model offers Bluetooth calling, heart rate monitoring, and ECG monitoring. It is listed as compatible with Apple iOS.
The watch is available in 40 mm and 44 mm case sizes and has an IP68 water resistance rating. It uses a Series 5 design.
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IWO W55 Bluetooth calling
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| Brand | IWO | Soulusic | COLMI | |||
| Model | iwo 11, iwo 12 | L7 | IWO 8 lite, W34 | SKY 1 | ||
| Color | ||||||
| Rating | ||||||
| Price | €44.60 | €46.27 | €27.97 | €11.78 | €15.80 | €40.59 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 | Sep 28, 2026 |
| Product Type | Smart Bracelet, Smartwatch | Smart Watch, Smartwatch | smart watch | |||
| Ingress Protection Rating | IP68 | IP68 | IP68 | |||
IWO W55 Bluetooth calling
€44.60
When this device makes sense
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