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 | |||||
|---|---|---|---|---|---|---|
|
allentian Z78ultra Round screen
|
allentian Ultra 9 Bluetooth calling is supported.
|
allentian Zw15 2.01 screen size; unit not stated
|
allentian Z80 Pro Bluetooth calling
|
allentian Zl02jpro Bluetooth calling is supported.
|
allentian Zl54c Compatible with Android and iOS
|
|
| Brand | allentian | allentian | allentian | allentian | allentian | allentian |
| Model | Z78ultra | Ultra 9 | Zw15 | Z80 Pro | Zl02jpro | Zl54c |
| Price | €74.19 | €22.62 | €87.76 | €57.00 | €38.00 | €53.38 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Size | Medium | Medium | Medium | Medium | Medium | Medium |
| Model Name | Z78ultra | Ultra 9 | Zw15 | Z80 Pro | Zl02jpro | Zl54c |
| Part Number | 735318253116Blue | 723372269587Grey | 727697705437SilverGray | 735474925100Orange | 787430168484Blue | 785501338079Pink |
| Product Type | Smartwatch | Smartwatch | Smartwatch | Smartwatch | smartwatch | Smartwatch |
| Compatibility | Android and iOS | Android / iOS | Android / iOS | Android / IOS | Android and iOS | |
| Bluetooth Calling | Supported | Supported | Supported | Supported | ||