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.
Outdoor smart watch with listed blood sugar, heart rate, and health monitoring features. Described as waterproof, without a specified rating or conditions, and compatible with Android / iOS.
| This item | Recommendations | |||||
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allentian K56pro
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allentian K55 Bluetooth calling is supported.
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allentian K57pro 1.96-inch screen
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allentian K57pro
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allentian K59 1.43-inch display
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allentian C21pro 1.39-inch screen
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K56pro | K55 | K57pro | K57pro | K59 | C21pro |
| Price | €120.64 | €114.38 | €111.70 | €68.81 | €76.85 | €114.38 |
| 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 | K55 | K57pro | K57pro | K59 | C21pro |
| Part Number | 708427427261Green | 707995665881Green | 748992973157Black | 759248916715Black | 5237387484992 | 719424970045Grey |
| Product Type | Outdoor smart watch | Outdoor smart watch | Smartwatch | Smart watch | Smartwatch | Smart watch |
| Compatibility | Android / iOS | Android / IOS | Android / iOS | Android / IOS | Android / iOS | Android / iOS |
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