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 made of aluminum alloy. Listed functions include ECG, blood oxygen, blood glucose, temperature, calls, step counting, and photo.
| This item | Recommendations | |||||
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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 Et540 1.85-inch display
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allentian TK12 Bluetooth calling is supported.
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allentian Tk23 Bluetooth calling
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allentian Tk20 ECG electrocardiogram monitoring
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | TK22 | TK12 | Et540 | TK12 | Tk23 | Tk20 |
| Price | €100.98 | €93.83 | €100.98 | €138.51 | €29.49 | €142.98 |
| 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 | TK22 | TK12 | Et540 | TK12 | Tk23 | Tk20 |
| Part Number | 730489969867BlackGlue | 730778231613BlackLeather | 735196213079BlackGlue | 719683653228BlackLeather | 758950874192Black | 715286054344BlackGlue |
| Product Type | Smart watch | Smartwatch | Smart watch | Smart watch | Smart watch | Smart watch |
| Compatibility | Android / IOS | Android / iOS | Android / IOS | Android / iOS | Android / IOS | Android / iOS |
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