Xiaomi Mi Band 4

Scoring parameters
How is the score calculated?

This is a relative score calculated on the basis of the following specifications:

  • Performance
  • Smart features (Voice calling, fingerprint sensor)
  • Camera
  • Storage
  • Display

Each fitness bandss has been benchmarked against ~31,000 other phones to calculate the score.

For personalized scores based on your preference, you can visit fitness bands Recommender to check scores of the recommended fitness bandss for you.

Last updated: 24 September 2025
This product is currently not available on Amazon

Xiaomi Mi Band 4 Full Specifications

Key Specs

  • Features

    Water Resistant | Alarm
  • Activity Tracking

    Steps | Heart Rate | Hours Slept
  • Battery

    135 mAh, Li-Polymer | Upto 20 Days battery | Charging via USB
  • Syncing

    Bluetooth | NFC

Activity Tracker

  • Heart Rate

    Yes
  • Activity/inactivity

    Yes
  • Active Minutes

    Yes
  • Calories Intake/ Burned

    Yes
  • Hours Slept

    Yes
  • Steps

    Yes
  • Sleep Quality

    Yes

Additional Features

  • Reminders

    Yes
  • Alarm Clock

    Yes

Battery

  • Charging Mode

    via USB
  • Battery Life

    Up to 20 Days
  • Capacity/type

    135 mAh, Li-Po

Compatibility

  • Compatible Devices

    Xiaomi Mi4, Xiaomi Mi3, Xiaomi Redmi Note 4G, iPhone 4S
  • Compatible OS

    Android,iOS

Design

  • Interface

    LED Indicator
  • Shape & Surface

    Rectangular, Flat
  • Colours

    Black, Blue, Purple, Red
  • Weight

    22 grams
  • Strap Material

    Silicon

Display

  • Display Technology

    AMOLED
  • Screen Resolution

    120 x 240 pixels
  • Screen Size

    0.95 Inch
  • Touch Screen

    Yes
  • Pixel Density (sharpness)

    282 ppi

General

  • Box Contents

    Fitness Band, Charging Cable, Warranty Card, User Manual
  • Model

    Mi Band 4
  • Brand

    Xiaomi

Notifications

  • Text Message

    Yes
  • Incoming Call

    Yes
  • Timer

    Yes
  • Alarm

    Yes
  • Calendar Reminder

    Yes
  • Weather

    Yes

Ruggedness

  • Water Resistance

    Yes, IP Certified 67

Sensors

  • Gyro

    Yes
  • Accelerometer

    Yes

Smartphone Remote Features

  • Make Call

    Yes
  • Receive Call

    Yes
  • Music Control

    Yes

Syncing

  • Nfc

    Yes
  • Bluetooth

    Yes, v5.0
  • USB Connectivity

    No

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