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 listed measurement functions including ECG, blood glucose, body temperature, blood pressure, and heart rate. It is described as waterproof, with no rating stated, and is compatible with Android / iOS.
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allentian E400 Smart Watch
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allentian E400
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allentian E400 ECG measurement capability
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allentian E400
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allentian E400
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allentian E400
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | E400 Smart Watch | E400 | E400 | E400 | E400 | E400 |
| Price | €99.19 | €99.19 | €99.19 | €109.02 | €104.55 | €154.59 |
| 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 | E400 Smart Watch | E400 | E400 | E400 | E400 | E400 |
| Part Number | 742917602007Red | 742917602007DarkRed | 742917602007Black | 746108480225Red | 742917602007DeepSkin | 707679281470BlackLeather |
| Product Type | Smart watch | Smartwatch | Smart watch | Smart watch | Smart watch | Smart watch |
| Compatibility | Android / IOS | Android / IOS | Android / iOS | Android / iOS | Android / IOS | |
| Waterproof claim | Described as waterproof; no rating stated | Described as waterproof | Described as waterproof | |||
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