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 support for Android and iOS, Bluetooth calling, music playback, and multi-sport mode.
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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allentian C21 Supports Android and iOS
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Medium Smart Watch Bluetooth calling is supported.
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allentian C22 Bluetooth calling supported
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allentian C22 1.6-inch watch size
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allentian C20 Supports heart rate monitoring
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allentian C25 Round screen
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | C21 | C22 | C22 | C20 | C25 | |
| Price | €115.27 | €25.47 | €150.12 | €150.12 | €97.40 | €125.10 |
| 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 | C21 | C22 | C22 | C20 | C25 | |
| Part Number | 641277286062Black | 674998787475Black | 694260307996Black | 694260307996Silver | 672236601559Black | 737842369316Black |
| Product Type | smart watch | Smart watch | Smart watch | smart watch | Smart watch | Smart watch |
| Bluetooth Calling | Supported | Supported | Supported | Supported | ||
| Compatibility | Android / IOS | Android / iOS | Android / IOS | Android / IOS | Android / iOS | |
| Heart Rate Monitoring | Supported | Supported | Supported | |||
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