Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
If you are interested in more details, you can find full information on the seller's page.
Medium smartwatch with Bluetooth calling, information push notifications, blood pressure and blood oxygen monitoring, and compatibility with Android and iOS.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian Mt39 Bluetooth calling
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allentian Zw39
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allentian Et381 Bluetooth calling
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allentian ET381 Compatible with Android and iOS
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allentian C21 Bluetooth calling
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allentian Zw39 Heart rate monitoring supported
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Mt39 | Zw39 | Et381 | ET381 | C21 | Zw39 |
| Price | €85.62 | €34.25 | €107.26 | €107.26 | €110.86 | €34.25 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Calling | Bluetooth calling | Bluetooth calling | Bluetooth calling | Bluetooth calling | Bluetooth calling | |
| Model Name | Mt39 | Zw39 | Et381 | ET381 | C21 | Zw39 |
| Part Number | 752343437086Black | 5081777833463 | 5362835421262 | 771391645106BlackLeather | 676959425408AllBlack | 5081769821983 |
| Product Type | Smartwatch | Smartwatch | Smartwatch | Smartwatch | Smartwatch | smart watch |
| Compatibility | Android and iOS | Android and iOS | Android and iOS | Android and iOS | Android / iOS | |
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