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 smart watch with Android and iOS compatibility and supported Bluetooth calling. Heart rate, body fat, SOS, ECG, and sports running features are listed.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian E800 Compatible with Android and iOS
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allentian Et550 Bluetooth calling supported
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allentian E400 Compatibility: Android / iOS
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allentian Et580 Bluetooth calling is supported.
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allentian E400 Compatible with Android / iOS
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Medium Smart Watch Bluetooth calling is supported.
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | E800 | Et550 | E400 | Et580 | E400 | |
| Price | €197.76 | €147.87 | €110.67 | €149.68 | €110.67 | €25.85 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | E800 | Et550 | E400 | Et580 | E400 | |
| Part Number | 785543117005Black | 735145909554BlackGlue | 746108480225Black | 757461672619BlackLeather | 746108480225BlackLeather | 674998787475Black |
| Product Type | Smart watch | Smart watch | Smart watch | Smartwatch | smart watch | Smart watch |
| Compatibility | Android / IOS | Android / IOS | Android / IOS | Android / iOS | Android / IOS | Android / IOS |
| Bluetooth Calling | Supported | Supported | Supported | Supported | ||
| Heart Rate Monitoring | Supported | Listed as a feature | Supported | |||
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