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.
Smart watch with a 2.01 screen (unit not stated), Bluetooth connectivity, and compatibility with Android and iOS. Stated monitoring features include heart rate and blood sugar; stated activities include sports and yoga.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian Z49 Compatible with Android and iOS
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allentian Zl54c Bluetooth calling is listed.
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allentian Zw39 Heart rate monitoring supported
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allentian Sport01
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allentian Zw15 2.01 screen size; unit not stated
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allentian Et440 Bluetooth connectivity and Bluetooth calling
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Z49 | Zl54c | Zw39 | Sport01 | Zw15 | Et440 |
| Price | €30.38 | €38.42 | €33.96 | €58.98 | €86.68 | €95.61 |
| 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 | Z49 | Zl54c | Zw39 | Sport01 | Zw15 | Et440 |
| Part Number | 785564245559Black | 681441825799Pink | 5081769821983 | 783230278192Green | 727697705437SilverGray | 5084367773303 |
| Product Type | Smart watch | Smart watch | smart watch | Smart watch | Smartwatch | Smart watch |
| Compatibility | Android / IOS | Android / iOS | Android / IOS | Android / iOS | Android / IOS | |
| Bluetooth Calling | Bluetooth call is listed. | Supported | Supported | |||
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