Fitbit Charge 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
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Fitbit Charge 4 Full Specifications

Key Specs

  • Syncing

    Bluetooth | NFC
  • Features

    Water Resistant | Goal Setting
  • Battery

    Upto 7 Days battery
  • Activity Tracking

    Steps | Heart Rate | Hours Slept | Active Minutes

Activity Tracker

  • Activity/inactivity

    Yes
  • Sleep Quality

    Yes
  • Calories Intake/ Burned

    Yes
  • Distance

    Yes
  • Active Minutes

    Yes
  • Heart Rate

    Yes
  • Hours Slept

    Yes
  • Steps

    Yes

Additional Features

  • Goal Setting

    Yes
  • Reminders

    Yes
  • Stopwatch

    Yes

Battery

  • Charging Time

    Up to 2 Hours
  • Battery Life

    Up to 7 Days

Compatibility

  • Compatible OS

    Android,iOS
  • Compatible Devices

    HTC One (M7), LG G2, Sony Xperia V, Sony Xperia Z Ultra, Apple iPhone 4S, Apple iPhone 5, Apple iPad Air, Apple iPad Mini, HTC Windows Phone 8X, Nokia Lumia 1520, Nokia Lumia 920, Nokia Lumia 520

Design

  • Colours

    Black, RoseWood, Storm Blue
  • Shape & Surface

    Rectangular, Flat
  • Dimensions

    12.5 x 22.7 x 35.8 mm
  • Body Material

    Plastic
  • Clock Face

    Digital

Display

  • Screen Protection

    Yes, Scratch-resistant glass
  • Touch Screen

    Yes
  • Display Technology

    OLED

General

  • Box Contents

    Fitness Band, Warranty Card, User Manual
  • Brand

    Fitbit
  • Model

    Charge 4

Notifications

  • Incoming Call

    Yes
  • Text Message

    Yes
  • Timer

    Yes
  • Alarm

    Yes
  • Weather

    Yes
  • Calendar Reminder

    Yes

Sensors

  • Accelerometer

    Yes

Smartphone Remote Features

  • Music Control

    Yes
  • Location Tag

    Yes
  • Receive Call

    Yes

Syncing

  • Bluetooth

    Yes, v4.0
  • Nfc

    Yes
  • USB Connectivity

    No
  • Navigation

    Yes

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