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.
Smart watch with listed blood glucose, body temperature, ECG, blood oxygen, pedometer, and call functions. It has a 1.57-inch screen and is compatible with Android / iOS.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian Et620
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allentian Et540 1.85-inch display
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allentian ET381
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allentian ET580
|
allentian Et481
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allentian Et550 Bluetooth calling supported
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Et620 | Et540 | ET381 | ET580 | Et481 | Et550 |
| Price | €83.10 | €100.98 | €106.34 | €100.98 | €106.34 | €145.66 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 | Nov 3, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | Et620 | Et540 | ET381 | ET580 | Et481 | Et550 |
| Part Number | 735313190058Blue | 735196213079BlackGlue | 771391645106Blue | 775942448405Blue | 735145909554BlackGlue | |
| Product Type | Smart watch | Smart watch | Smart watch | Smartwatch | Smart watch | Smart watch |
| Compatibility | Android / IOS | Android / IOS | Android / IOS | Android / IOS | Android / IOS | |
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