Xiaomi Mi Band 4 Heart Rate Smart Watch Wristband Fitness OLED Global Version
- Step Up, Live More.
- All New full Colour AMOLED touch display that's 39.9% larger and brighter than ever before.
- Instantly view call, text, app notifications and music in play. Keep your hands free as you keep up with life.
- Battle ropes, Sleep monitoring, Wristband alarm,Mi Fit APP.
- 24/7 Heart Rate monitoring.