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 calling and compatibility with Android and iOS. The listing describes non-invasive blood glucose, uric acid, blood lipid, ECG, and body fat measurements.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian Tk25 Supports Bluetooth calling.
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allentian Et481
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allentian TK22 Compatible with Android and iOS
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allentian TK12 Compatible with Android and iOS
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allentian Et550 Bluetooth calling supported
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allentian TK12 Bluetooth calling is supported.
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Tk25 | Et481 | TK22 | TK12 | Et550 | TK12 |
| Price | €99.19 | €145.66 | €100.98 | €93.83 | €145.66 | €138.51 |
| 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 | Tk25 | Et481 | TK22 | TK12 | Et550 | TK12 |
| Part Number | 780579620228BlackGlue | 757668471036BlackLeather | 730489969867BlackGlue | 730778231613BlackLeather | 735145909554BlackGlue | 719683653228BlackLeather |
| Product Type | Smart watch | smart watch | Smart watch | Smartwatch | Smart watch | Smart watch |
| Compatibility | Android / IOS | Android and iOS. | Android / IOS | Android / iOS | Android / IOS | Android / iOS |
| Bluetooth Calling | Supports Bluetooth calling. | Listed as supporting Bluetooth calling. | Supported | Supported | ||
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