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 Bluetooth smartwatch with a 1.96-inch display, Bluetooth talk, music and weather functions, and listed heart rate, blood pressure, and blood oxygen measurements. Compatibility is listed for Android / IOS.
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allentian K57pro 1.96-inch display
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allentian K52 1.39-inch display
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allentian K56pro 1.39-inch display
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allentian Ak56 Bluetooth calling feature is listed.
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allentian K56pro Compatibility: Android / iOS
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allentian K56pro 1.39-inch screen
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | K57pro | K52 | K56pro | Ak56 | K56pro | K56pro |
| Price | €111.70 | €83.10 | €76.85 | €72.38 | €76.85 | €76.85 |
| 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 | K57pro | K52 | K56pro | Ak56 | K56pro | K56pro |
| Part Number | 748992973157Orange | 724194725332Orange | 776670641079Black | 777511336179Black | 776670641079Green | 776670641079Khaki |
| Display Size | 1.96 inch | 1.39 inch | 1.39 inch | 1.43 inch | ||
| Product Type | Bluetooth smartwatch | Smart watch | smartwatch | Bluetooth smartwatch | Smart watch | smart watch |
| Compatibility | Android / IOS | Android / IOS | Android / IOS | Android / IOS | Android / IOS | |
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