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.
Smart watch with a 1.99-inch HD full-touch screen, Bluetooth calling, and Android/iOS compatibility.
| This item | Recommendations | |||||
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Hryfine S8kd99ultra 1.99-inch display
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allentian S8 Ultra Compatibility: Android / iOS
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allentian S8 Ultra Max Bluetooth calling supported
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allentian Watch8 Ultra Compatible with Android and iOS
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allentian Watch8ultra Compatible with Android / iOS
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allentian X8 Ultra 1.96-inch display
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| Brand | Hryfine | allentian | allentian | allentian | allentian | allentian |
| Model | S8kd99ultra | S8 Ultra | S8 Ultra Max | Watch8 Ultra | Watch8ultra | X8 Ultra |
| Price | €22.68 | €61.69 | €35.38 | €23.13 | €23.13 | €63.50 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | S8kd99ultra | S8 Ultra | S8 Ultra Max | Watch8 Ultra | Watch8ultra | X8 Ultra |
| Part Number | 692959352392Silver | 719835302367Black | 539394159425Grey-English | 719860117588Grey-English | 760718691261Black | |
| Product Type | Smart watch | Smartwatch | Smart watch | Smart watch | Smartwatch | smartwatch |
| Compatibility | Android / iOS | Android / iOS | Android and iOS | Android / iOS | Android / IOS | Android and iOS |
| Bluetooth Calling | Supported | Listed | Supported | Supported | Supported | Supported |
| Heart Rate Monitoring | Supported | Supported | Supported | |||
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