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.
A medium smart watch with Bluetooth calling support. ECG, body temperature monitoring, HRV, non-invasive blood glucose, and vibration are listed. Compatibility is stated as Android / IOS.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian Et570 Supports Bluetooth calling
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allentian Et580 Bluetooth calling is supported.
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allentian Et480
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allentian Et580 Compatible with Android and iOS.
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allentian Et550 Bluetooth calling supported
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allentian Et481
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Et570 | Et580 | Et480 | Et580 | Et550 | Et481 |
| Price | €121.56 | €149.68 | €147.87 | €102.51 | €147.87 | €107.95 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | Et570 | Et580 | Et480 | Et580 | Et550 | Et481 |
| Part Number | 785435159256BrownLeather | 757461672619BlackLeather | 757657543782BlackLeather | 775942448405BlackLeather | 735145909554BlackGlue | |
| Product Type | smart watch | Smartwatch | smart watch | smart watch | Smart watch | Smart watch |
| Compatibility | Android / IOS | Android / iOS | Android / IOS | Android / IOS | Android / IOS | Android / IOS |
| Bluetooth Calling | Supported | Supported | Supported | Listed as a feature | ||
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