Mi Smart Band 4: Step Up, Live More

With #MiSmartBand4, wear and redefine lifestyles from your wrist!

- Full color AMOLED touch display
- Up to 20 days battery on a single charge
- water resistant up to 50m
- 24/7 heart rate monitoring and sleep tracking
- View call, text, and app notifications
- Activity and swim tracking

Time to choose the smart living.