Developer | Xiaomi |
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Manufacturer | Anhui Huami Information Technology Co. Ltd |
Product family | Mi Band |
Type | Activity tracker, Watch |
Generation | 4 |
Release date | 11 June 2019 |
System on a chip | Dialog DA14697 [1] |
Memory | 512KB |
Storage | 16MB |
Display | 0.95 inch AMOLED |
Connectivity | Bluetooth 5.0 BLE NFC in some models. |
Power | 135 mAh |
Mass | 22.1 g |
Predecessor | Xiaomi Mi Band 3 |
Successor | Xiaomi Mi Smart Band 5 |
Website | Official website |
The Xiaomi Mi Smart Band 4 (Xiaomi Mi Band 4 in China) is a wearable activity tracker produced by Xiaomi Inc released in China on 16 June 2019,[2] in Europe on 26 June 2019[3] and in India on 19 September 2019. It is 39.9% larger than its predecessor, has a super capacitive AMOLED display and features 24/7 heart rate monitoring.