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Mi Smart Band 4C

Large 1.08" color display / 14-day battery life, quick-release direct USB charging / at-a-glance notifications straight to your wrist / scientific algorithms to safeguard your health

This band comes with activity tracking and sophisticated health monitoring features
  • Lightweight and easy to put on
    Full range of health and fitness features

    The Mi Smart Band 4C is small and has a long battery life. With sophisticated algorithms for activity tracking and health monitoring, as well as a variety of other small features, you'll never want to take it off.

  • Large 1.08" color display Clear display for more vivid images

    The TFT color display offers more vibrant colors with adjustable brightness, putting even more at-a-glance information right at your fingertips. Wake the screen by raising your wrist, and turn off the display by lightly tapping the screen with your palm.

  • You have one unread message
    The temperature today is 19°C

    Raise your wrist for incoming calls and app notifications Take control of your reminders

    Never miss an important notification again with real time alerts for incoming calls, text messages, social media and other app notifications. Check weather and air quality forecasts, and set alarms for your reminders to stay up to date when making plans.

Personal training on your wrist Keep track of your daily routine, anytime, anywhere
  • Water resistant up to 50 meters Wear it while swimming, or in the shower

    5 ATM water resistance*—wear it in the swimming pool or in any shallow water, fully protected against water damage in daily life.

  • Multiple sports modes Professional guidance and accurate monitoring

    Supports five specialized sports modes and accurate monitoring, so you can access real-time activity data such as heart rate and speed.

    Outdoor running




    Power Walking

  • Set reminders for goals Daily progress one step at a time

    Daily step tracking made fun. Set yourself goals and reminders for calorie consumption and steps, and update them as you progress.

Health management on your wrist All-day health protection
  • 24-hour heart rate monitoring With you every moment

    Safeguard your health and enjoy 24/7 heart rate monitoring. Quick, accurate, and non-intrusive high-precision infrared sensor, and additional infrared features, make wrist detection even more accurate.

  • Scientific sleep monitoring and analysis Helps improve sleep quality

    Daily sleep monitoring and scientific sleep analysis data can be easily viewed via the Xiaomi Wear app.

  • Your Mi Smart Band 4C reminds you to get up and move when you've been sitting at work for a long time

    When you're busy and lose track of time, your Mi Smart Band 4C sends a gentle nudge vibration to let you know that you've been sitting for too long and should get up and move.

Day-to-day assistance on your wrist Bringing convenience to everything that you do
  • Control music playback on your mobile phone
    Wear your Mi Smart Band 4C for exercise

    Easily control your music while you exercise, with functions for next track/previous track/play/pause and adjusting the volume.

Supports a wide variety of personalized watch faces Your preferences, defined by you
All features Helps you with your day-to-day changes
  • View your messages in real time

  • Caller ID/Reject

  • 24-hour heart rate monitoring

  • Sleep monitoring

  • Activity data display

  • Idle alerts

  • Find my phone

USB charging 14-day extra-long battery life

With built-in quick-release USB charging, your Mi Smart Band 4C is fully charged in just two hours and has a 14-day battery life.

The TPU wristband comes in four vibrant colors Comfortable to wear and easy on the skin.
  • Graphite Black
  • Electric Orange
  • Olive Green
  • Deep Sky Blue
*Comes with the black strap as standard, other colors sold separately.

*Comes with the black strap as standard, other colors sold separately.
*To use the Mi Smart Band 4C, you must install the companion mobile app: Android users should download the Mi Wear app. iOS users should download the Mi Wear Lite app (search for "Xiaomi Wear" in the App Store to download and install. Alternatively, scan the QR code in the user manual included in the box).
*The Mi Smart Band 4C supports different color themes and four different wristband color options for a variety of combinations, including a growing number of custom watch faces (actual number of watch faces is subject to online availability).
*50-meter water resistance, the 50-meter water resistance rating is in accordance with GB/T 30106-2013 standards and verified by Shenzhen Watch & Clock Quality Test centre, Mi Smart Band 4C Water Resistance Rating Report No.: SWT2001-13. The water resistance rating is 5 ATM (equivalent to a depth of 50 meters under water). Can be worn in the shower, swimming pool and when swimming in shallow water, but not in saunas or for diving.
*Data regarding the Mi Smart Band 4C 14-day battery life was verified by the Goertek Laboratory: using the default factory settings, turning on the 30-minute automatic heart rate detection, receiving and displaying 1000 notifications per day, 2 alarm clocks per day (stopped after 5 seconds of vibration), pressing the button to display the time 10 times per day, opening the app for synchronization once per day. During actual use, battery life depends on various factors such as setup, operation, and usage environment, and may differ from laboratory tests.