Mi Smart Band 4

Your transformation begins now.

• Full colour AMOLED touch display

  View call, text, and app notifications

• Activity and swim tracking

  Water resistant up to 50m*；3-axis accelerometer, 3-axis gyroscope

• Up to 20 days battery*

  A single charge lasts up to 20 days.

• Health monitoring

  24/7 heart rate monitoring and sleep tracking.

Instantly view call, text, app notifications and music in play. Keep your hands free as you keep up with life.

• Cycling

  Check your heart rate in real time to make sure you get the best workout
  as you climb mountain roads or dash around the city.

  

• Battle ropes

  Whether you’re doing high-speed battle rope training or an aerobic battle rope workout,
  Mi Smart Band 4 will track your heart rate, calories burned and more.

  

• Swimming

  5 ATM water resistant up to 50m Recognizes 5 different swim styles Records 12 data sets including swimming pace and stroke count

  

• Power walking

  5 core data sets Helps you improve power walking efficiency