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 Bluetooth connectivity and Bluetooth calling. Listed health and activity features include blood sugar, heart rate, blood pressure, blood oxygen, and a pedometer. Compatible with Android / IOS and fitted with a silicone band.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian Et440 Bluetooth connectivity and Bluetooth calling
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allentian ET381 Compatible with Android and iOS.
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allentian Et480
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allentian Et481
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allentian ET381 Compatible with Android and iOS
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allentian Et550 Bluetooth calling supported
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Et440 | ET381 | Et480 | Et481 | ET381 | Et550 |
| Price | €95.61 | €106.34 | €145.66 | €106.34 | €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 | Et440 | ET381 | Et480 | Et481 | ET381 | Et550 |
| Part Number | 5084367773303 | 5362835421264 | 757657543782BlackLeather | 5362835421266 | 735145909554BlackGlue | |
| Product Type | Smart watch | smartwatch | smart watch | Smart watch | Smartwatch | Smart watch |
| Compatibility | Android / IOS | Android / iOS | Android / IOS | Android / IOS | Android / IOS | |
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