• Short info

    Mi Band 4 is a new model of one of the most popular fitness bracelet series by Xiaomi. The device will become an indispensable assistant for professional sports and daily physical activity monitoring. The model is equipped with a 0.95 inches colorful AMOLED display with a 240*120 pixels resolution.

    • Voice control support (NFC version)
    • 5ATM waterproof
    • Huangshan No.1 processor by Huami
    • Bluetooth 5.0
    • 24-hour heart rate monitoring
    • Ability to switch the music
    • Up to 20 days of battery life (15 days for the NFC version).
    Product news
    Mi Band 4 Was Presented

    Mi Band 4 Was Presented

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  • Full description

    How about taking control of your physical activity? Mi Band 4 is a smart fitness bracelet that can make this process easier for you.

    0.95-inch color AMOLED display

    The model can boast with color display that is bigger at 39.9% compared to the previous model. The user can see the notifications and even control the music player. The display is protected with 2.5D glass with AF coating.

    20 days of battery life

    The model has a built-in battery with a capacity of 135 mAh (125 mAh for the NFC version) which will be enough for up to 20 days of work without recharging (up to 15 days for the version with NFC).

    Stable and fast connection

    Mi Band 4 has received Bluetooth 5.0 and support devices with Android 4.4, iOS 9.0 or above.

    Useful features for sports and daily activities

    The model supports different sports modes so now the data of your training is more accurate.

    • Sleep Monitoring

    The device tracks sleep phases and heart rate so you can create a more optimal sleep schedule.

    • Smart alarm clock

    Set an alarm, and Mi Band 4 will wake you up in the morning with a vibration. Forget about the irritating alarm clock, start your morning in a good mood.

    • Mi Fit App

    The user can view more data about the physical activity using a special application. Also, the user can choose and change the dial themes and make other settings.

    • 24/7 Heart Rate Monitoring

    Thanks to the built-in sensors, the fitness bracelet always monitors your heart rate. In case the device detects some abnormal heart rate the user will receive a notification.

    • Sedentary Reminder

    If you spend a lot of time working with the computer, this feature will bring you some benefits. If you sit down for a long time, the device will remind you that it is time to walk and warm-up.

    NFC edition — more cool features

    Mi Band 4 NFC allows you not only to make the contactless payments but also to control Smart Home devices. Thanks to integrated XiaoAI voice assistant you can control appliances with voice commands.

    “Avengers” Limited Edition

    For the true fans of the Marvel cinematic universe, the company has released a limited edition which includes 3 straps with the logo “Avengers”, “Captain America”, “Iron Man”, a metal plate with the inscription “Avengers”. Also, the users will have a special pre-installed custom theme dedicated to superheroes.

  • Specifications




    Fitness Bracelet


    Mi Band 4

    IP Rating


    Screen Type


    Screen size


    Screen resolution

    120X240 RGB



    Cover Material

    2.5D tempered glass + AF coating



    Wristband type

    detachable wristband

    Wrist strap width


    Wristband material


    Wrist strap adjustable length




    Flash memory



    v5.0 BLE

    Charging method

    2Pin Pogo Pin

    Charging time

    ≤ 2 hours

    Vibration motor

    rotor motor


    PC plastic


    Mi Fit App

    Supported OS

    Android4.4, iOS9.0 or above




    Triaxial Accelerometer + Triaxial Gyro
    PPG Heart Rate Sensor
    Capacitive Wear Monitoring Sensor



    Voice assistant



    LiPo, 135mAh

    Battery life

    ≥ 20 days

    Sports Features

    running, walking, cycling, indoor running, swimming, exercise, sports, speed reminder, heart rate reminder, step counting

    Health monitoring

    Smart reminder, goal reminder, heart rate warning, sedentary reminder

    Other Features

    custom dial replacement, screen lock, timer, alert calls, SMS alerts, the APP message alerts, weather forecasts , phone locator, phone unlock, event reminder, night mode, do not disturb mode, Alipay offline payment, remote mobile phone music playback, , charging progress, wearing mode selection, OTA upgrade

    Package Contents

    Mi Band 4 x 1

    Wristband x 1

    Charging Cable x 1

    User Manual x 1

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Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black
Xiaomi Mi Band 4 Black