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 smartwatch with Bluetooth calling, health monitoring for heart rate, blood pressure and blood oxygen, and compatibility with Android and iOS. It is described as waterproof; no rating is specified.
| This item | Recommendations | |||||
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allentian K28h Bluetooth calling is supported
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allentian Hw28 Bluetooth calling
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allentian C21 Bluetooth calling
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allentian G28 Bluetooth calling
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allentian Kr08 Bluetooth calling is supported.
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allentian Ks05 Compatible with Android and iOS.
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K28h | Hw28 | C21 | G28 | Kr08 | Ks05 |
| Price | €158.63 | €98.24 | €110.86 | €43.26 | €50.47 | €139.70 |
| 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 | K28h | Hw28 | C21 | G28 | Kr08 | Ks05 |
| Part Number | 658630977581AllBlack | 670963179263Brown | 676959425408AllBlack | 760014722699Black | 770241057394Black | 760514286333Black |
| Product Type | Smartwatch | Smartwatch | Smartwatch | Smart watch | Smartwatch | Smartwatch |
| Compatibility | Android and iOS | Android and iOS | Android and iOS | Android and iOS | Android / iOS | Android / IOS |
| Bluetooth Calling | Supported | Supported | Listed as supporting Bluetooth calling | |||
| Health Monitoring | Heart rate, blood pressure and blood oxygen | Heart rate and blood pressure monitoring | Heart rate, blood pressure, and blood oxygen monitoring | |||
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