Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
| This model | Recommendations | |||||
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allentian S9 Bluetooth calling
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allentian S9 Max Bluetooth calling
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allentian JS S9call AMOLED display technology
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allentian Ultra 9 Compatible with Android / iOS
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allentian X9 + Ultra2 Bluetooth calling supported
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allentian Iw9 2.05-inch display
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| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | S9 | S9 Max | JS S9call | Ultra 9 | X9 + Ultra2 | Iw9 |
| Price | €18.32 | €25.91 | €231.44 | €22.34 | €111.70 | €87.57 |
| 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 | S9 | S9 Max | JS S9call | Ultra 9 | X9 + Ultra2 | Iw9 |
| Part Number | 786183240974Black | 747974799441Black | 786091315955Black | 723372269587Black | 747658652929BlackForeignLanguage | 713264235215Silver |
| Product Type | smartwatch | Smart watch | Smartwatch | Smart watch | Smart watch | smartwatch |
| Compatibility | Android / IOS | Android / IOS | Android / iOS | Android / IOS | Android / IOS | Android / IOS |