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 a 1.39-inch display, Bluetooth calling support, a listed heart-rate feature and pedometer, and compatibility with Android / IOS.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian K52 Bluetooth calling is supported.
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allentian K55 Heart-rate monitoring supported
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allentian K57pro
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Medium Smartwatch Bluetooth calling is supported.
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Smart Watch, Medium 1.69-inch display
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allentian T50
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K52 | K55 | K57pro | T50 | ||
| Price | €83.10 | €66.13 | €68.81 | €43.34 | €24.13 | €55.40 |
| 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 | K52 | K55 | K57pro | T50 | ||
| Part Number | 724194725332Black | 5160164258394 | 759248916715Black | 738072571456Black | 1005006041478303black | 779921684513Black |
| Product Type | Smart watch | smartwatch | Smart watch | Smartwatch | Smart watch | smart watch |
| Compatibility | Android / IOS | Android / iOS | Android / IOS | Android / IOS | Android / IOS | |
| Bluetooth Calling | Supported | Supported | Supported | |||
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