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.
A medium smartwatch with a stated size of 1.43 inches. It supports heart rate, blood pressure and blood oxygen monitoring, calling, and compatibility with Android and iOS. It is described as waterproof, but no rating is specified.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian K59 1.43-inch size
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allentian K55 Heart-rate monitoring supported
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allentian T21 Measures heart rate and blood pressure.
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allentian P58 Bluetooth calling is supported
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allentian K28h Bluetooth calling is supported
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allentian Mk60 Bluetooth calling is stated.
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K59 | K55 | T21 | P58 | K28h | Mk60 |
| Price | €77.51 | €66.70 | €59.49 | €49.57 | €158.63 | €68.50 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 | Nov 12, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | K59 | K55 | T21 | P58 | K28h | Mk60 |
| Part Number | 5237387484993 | 5160164258394 | 5157592253254 | 776243948556Silver | 658630977581AllBlack | 5465101195618 |
| Product Type | Smartwatch | smartwatch | Smartwatch | Smartwatch | Smartwatch | Smart watch |
| Compatibility | Android and iOS | Android / iOS | Android and iOS | Android and iOS | Android and iOS | Android / IOS |
| Water Resistance | Described as waterproof; rating not specified | Waterproof; rating not specified | Described as waterproof; rating not specified | Waterproof; rating not specified | Described as waterproof; no rating is provided. | |
| Bluetooth Calling | Supported | Supported | Supported | Bluetooth calling is stated. | ||
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