In Stock
  • Product Code: XIA-BA4
  • Brand: Xiaomi


Mi Smart Band 4

Full colour display and heart rate monitor. Your transformation begins now.

Full colour AMOLED

touch display

Activity tracking

Up to 20 days




View call, text, and app

2.5D tempered glass with
anti-fingerprint Coating

Count steps, distance,

calories burned
6 workout modes: Treadmill,

exercise,outdoor running,

cycling, walking,swimming

135mAh battery capacity
Up to 20 days

Recharging time

24/7 Heart rate monitoring
- Heart rate alerts

Sleep monitoring
Idle alerts

The 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

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.


  • 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


  • 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.

Running - Tracks your pace and step count

  • Maintain a safe workout, whether you're running short or long distance.


  • Improving your daily energy starts with understanding your sleep patterns.
  • Sleep monitoring - Accurately tracks light and deep sleep as well as heart rate during sleep to help you adjust your sleep patterns.
  • Mi Fit app - Records your health data to help you get the most out of life.
  • 24/7 Heart rate monitoring keeps you safe and healthy.
  • Idle alerts - Stay active as you get reminders to get up and get moving.


Stays by your side for 20 days on a single charge.


  • Water resistant up to 50m. Water resistance is in accordance with GB/T 30106-2013 standard. Testing performed by the National Quality Supervision and Inspection Center for Watches. Mi Smart Band 4 water resistance report code: QT1902005;
  • Mi Smart Band 4 lasts up to 20 days on a single charge according to Huami Laboratory testing: Tested using default settings, with 30 minute automatic heart rate monitoring enabled, receiving 100 notifications per day, 2 alarms per day, vibrating for 5 minutes, touching the touch button 10 times per day, and syncing with the app once per day. Actual results may differ due to to differences in environment, use and settings.
  • Images are for reference only, font may be slightly different from actual product.

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