91points

Fitbit Charge 4

Fitbit Charge 4
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Fitbit Charge 4 review: specs and price

Fitbit Charge 4
91
points
Fitbit Charge 4

Why is Fitbit Charge 4 better than the average?

  • Waterproof depth rating
    ?

    50mvs38.49m
  • Width
    ?

    22.7mmvs23.53mm
  • IOS app size
    ?

    14MBvs110.74MB
  • Rating on Apple's App Store
    ?

    4.5vs3.67
  • Rating on Google Play
    ?

    4vs3.88
  • Height
    ?

    35.8mmvs40.05mm
  • Lowest potential operating temperature
    ?

    -10°Cvs-9.76°C

Price comparison

Fitbit Charge 4

Buy used:

$119.00

ProductStorePrice
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)
Amazon logo
$149.00
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Rosewood/Rosewood, One Size (S &L Bands Included)
Amazon logo
$140.37

Design

1.is dustproof and water-resistant
Fitbit Charge 4
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
2.sweat resistance
Fitbit Charge 4
Resistance to sweat makes it ideal for use while doing sports.
3.Has a display
Fitbit Charge 4
The device has an electronic display to present information to the user.
4.has branded damage-resistant glass
Fitbit Charge 4
Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
5.has a touch screen
Fitbit Charge 4
You can operate the device easily, by pressing the screen with your fingers.
6.waterproof depth rating

50m

The waterproof depth rating indicates how well the device is protected against water ingress and water pressure. Devices which can withstand more water pressure are better for swimming or diving.

Sensors

1.Has a heart rate monitor
Fitbit Charge 4
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
2.has GPS
Fitbit Charge 4
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
3.has an accelerometer
Fitbit Charge 4
An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.
4.Monitors blood oxygenation levels
Fitbit Charge 4
Your blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become.
5.Has a barometer
Fitbit Charge 4
This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.

Activity tracking

1.Tracks your sleep
Fitbit Charge 4
It can track your sleep, such as how long you sleep for and the quality.
2.Detects activities automatically
Fitbit Charge 4
The device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time.
3.Tracks elevation
Fitbit Charge 4
It can detect changes in elevation, such as when you are climbing stairs.
4.Tracks distance
Fitbit Charge 4
It tracks how far you travel.
5.Provides sleep reports
Fitbit Charge 4 (Fitbit App)
Your sleep data is analysed to give you a report, available to view through the app or website. This allows you to see the quality of your sleep and to help you make improvements.
6.Measures pace
Fitbit Charge 4
Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.

Connectivity

1.Is compatible with Android
Fitbit Charge 4
It is compatible with a range of Android devices such as smartphones and tablets.
2.Syncs wirelessly
Fitbit Charge 4
The device syncs all of your data wirelessly, without the need for cables.
3.Automatically syncs
Fitbit Charge 4
The device automatically syncs your data when in range of your computer or smartphone.
4.Bluetooth version

4

Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
5.has NFC
Fitbit Charge 4
NFC (near-field communication) allows a device to perform simple wireless transactions.
6.Is compatible with iOS
Fitbit Charge 4
It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.

Battery

1.battery life

7 days

With a longer battery life, you don’t have to worry about charging the device as often.
2.has a battery level indicator
Fitbit Charge 4
An indicator shows you when the device has low battery.
3.has a rechargeable battery
Fitbit Charge 4
The battery can be recharged and used over again.

Features

1.Has smart alarm
Fitbit Charge 4
It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.
2.Has silent alarm
Fitbit Charge 4
The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
3.Has notifications
Fitbit Charge 4
If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.
4.Has a stopwatch
Fitbit Charge 4
With a stopwatch you can time yourself.
5.Has inactivity alerts
Fitbit Charge 4
The device detects when you have been idle for too long, and alerts you to encourage you to stay active.
6.Has vibrating alerts
Fitbit Charge 4
Vibrating alerts have a variety of uses, such as interval training.

Price comparison

Fitbit Charge 4

Buy used:

$119.00

ProductStorePrice
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)
Amazon logo
$149.00
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Rosewood/Rosewood, One Size (S &L Bands Included)
Amazon logo
$140.37

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