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 a 1.85-inch display. Listed functions include ECG, blood glucose, photo call, pedometer, and body temperature. Compatibility is listed as Android / IOS.
| This item | Recommendations | |||||
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allentian Et540 1.85-inch display
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allentian Et550 Bluetooth calling supported
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allentian Et620 Compatible with Android and iOS
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allentian Et480
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allentian Et580 Compatible with Android and iOS.
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allentian Et620
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Et540 | Et550 | Et620 | Et480 | Et580 | Et620 |
| Price | €100.98 | €145.66 | €83.10 | €145.66 | €100.98 | €83.10 |
| 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 | Et540 | Et550 | Et620 | Et480 | Et580 | Et620 |
| Part Number | 735196213079BlackGlue | 735145909554BlackGlue | 735313190058Black | 757657543782BlackLeather | 775942448405Black | 735313190058Blue |
| Product Type | Smart watch | Smart watch | Smart watch | smart watch | smart watch | Smart watch |
| Compatibility | Android / IOS | Android / IOS | Android / iOS | Android / IOS | Android / iOS | Android / IOS |
| Listed functions | ECG, blood glucose, photo call, pedometer, and body temperature | Blood glucose, body temperature, ECG, blood oxygen, pedometer, and call function | ECG; Bluetooth calling; non-invasive blood glucose, uric acid, and blood lipid health monitoring | ECG, blood glucose, uric acid, blood lipid, body temperature, photo call | Blood glucose, body temperature, ECG, blood oxygen, pedometer, and call functionality are listed. | |
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