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.
Smartwatch fitness tracker in Medium size with Android and iOS compatibility and Bluetooth calling support.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian K56Pro Compatible with Android and iOS
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allentian K52 Bluetooth calling is supported.
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allentian K57pro
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allentian K52 1.39-inch display
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allentian K55 Heart-rate monitoring supported
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Medium Smartwatch Bluetooth calling is supported.
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K56Pro | K52 | K57pro | K52 | K55 | |
| Price | €123.32 | €83.10 | €68.81 | €83.10 | €66.13 | €43.34 |
| 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 | K56Pro | K52 | K57pro | K52 | K55 | |
| Part Number | 616719224909Black | 724194725332Black | 759248916715Black | 724194725332Orange | 5160164258394 | 738072571456Black |
| Product Type | Smartwatch fitness tracker | Smart watch | Smart watch | Smart watch | smartwatch | Smartwatch |
| Compatibility | Android / IOS | Android / IOS | Android / IOS | Android / IOS | Android / iOS | Android / IOS |
| Bluetooth Calling | Supported | Supported | Supported | Supported | Supported | |
| Pedometer | Listed | Included as a feature | Included | |||
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