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

  • Battery

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

    Bluetooth | NFC
  • Features

    Water Resistant | Alarm
  • Activity Tracking

    Steps | Heart Rate | Hours Slept

Activity Tracker

  • Calories Intake/ Burned

    Yes
  • Sleep Quality

    Yes
  • Active Minutes

    Yes
  • Heart Rate

    Yes
  • Hours Slept

    Yes
  • Steps

    Yes
  • Activity/inactivity

    Yes

Additional Features

  • Reminders

    Yes
  • Alarm Clock

    Yes

Battery

  • Capacity/type

    135 mAh, Li-Po
  • Charging Mode

    via USB
  • Battery Life

    Up to 20 Days

Compatibility

  • Compatible OS

    Android, iOS
  • Compatible Devices

    Xiaomi Mi4, Xiaomi Mi3, Xiaomi Redmi Note 4G, iPhone 4S

Design

  • Shape & Surface

    Rectangular, Flat
  • Weight

    22 grams
  • Strap Material

    Silicon
  • Colours

    Black, Blue, Purple, Red
  • Interface

    LED Indicator

Display

  • Screen Size

    0.95 Inch
  • Touch Screen

    Yes
  • Display Technology

    AMOLED
  • Pixel Density (sharpness)

    282 ppi
  • Screen Resolution

    120 x 240 pixels

General

  • Model

    Mi Band 4
  • Brand

    xiaomi
  • Box Contents

    Fitness Band, Charging Cable, Warranty Card, User Manual

Notifications

  • Weather

    Yes
  • Alarm

    Yes
  • Calendar Reminder

    Yes
  • Text Message

    Yes
  • Timer

    Yes
  • Incoming Call

    Yes

Ruggedness

  • Water Resistance

    Yes, IP Certified 67

Sensors

  • Gyro

    Yes
  • Accelerometer

    Yes

Smartphone Remote Features

  • Receive Call

    Yes
  • Make Call

    Yes
  • Music Control

    Yes

Syncing

  • USB Connectivity

    No
  • Bluetooth

    Yes, v5.0
  • Nfc

    Yes

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