Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Smartwatch with 3G Connectivity
Product details
General specs
Starting from €59.11
Last price update: 9/22/26
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| Model | DM20 | KW88 Pro | DM20 | DM100 | ||
| Price | €59.11 | €93.71 | €79.43 | €74.52 | €84.97 | €129.41 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 | Oct 11, 2026 |
| Cellular Network | 3g | 4G | 4G | |||
| Operating System | android 7.0, android 7.1 | Android 7.1 | Android 7.0 | Android 7.1 | Android 7.1 | Android 7.1 |
| GPS | GPS | gps | GPS | GPS | ||
| Battery Capacity | 780Mah | 2700mAh | 2700mAh | |||
| WiFi | wifi | WiFi | WiFi | |||
