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.
Fitness bracelet with a color screen and a stated heart rate feature. Specific heart rate measurement details are not provided.
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Xiaomi Mi Band 4 Color screen
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Xiaomi Mi Band4 Bluetooth version: BT 5.0
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Xiaomi Band 4 0.96-inch AMOLED color touchscreen
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Xiaomi Mi Band 4 Bluetooth 5.0
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Xiaomi Mi Band 4 Color screen
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Xiaomi Mi Band 4 AMOLED display
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| Brand | Xiaomi | Xiaomi | Xiaomi | Xiaomi | Xiaomi | Xiaomi |
| Model | Mi Band 4 | Mi Band4 | Band 4 | Mi Band 4 | Mi Band 4 | Mi Band 4 |
| Price | PLN 101.91 | PLN 87.92 | PLN 99.87 | PLN 105.91 | PLN 87.92 | PLN 97.92 |
| Seller | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba | Alibaba |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Display | Color screen | AMOLED color touch screen | 0.96-inch AMOLED color touchscreen | AMOLED color touchscreen | Color screen | |
| Model Name | Mi Band 4 | Mi Band4 | Band 4 | Mi Band 4 | Mi Band 4 | Mi Band 4 |
| Product Type | fitness bracelet | Fitness bracelet | Smart bracelet | Fitness bracelet | fitness bracelet | Smart wristband |
| Product family | Mi Band | Mi Band | Mi Band | Mi Band | ||
| Bluetooth Version | BT 5.0 | 5.0 | 5.0 | 5.0 | ||
| Edition | China version | Chinese version | Global version | |||
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