Key features:

20 exercise modes
Built-in GPS
Heart rate variability
Cardio fitness level
Skin Temperature tracking
Smart notifications

Fitbit ECG (Electrocardiogram) App

Keep track of your heart health with a compatible ECG app that assesses your heart for atrial fibrillation—a heart rhythm irregularity—and share the results with your doctor.

Stress management score

Get a daily score showing your body’s physical response to stress. You can see how your exercise routine, mindfulness practice and sleep help to manage your stress levels.

Heart rate variability

Understand if your body is showing potential signs of stress, illness or fatigue based on your past month’s trends in the variation of time between each heartbeat

Breathing rate

Get to know your average breaths per minute and see if there are any sudden increases that could indicate a change in your well-being with a view of your breathing rate trends from the past month

Active zone minutes

Get the results you want from every workout. Active Zone Minutes uses your heart rate to guide you toward your desired intensity level.

Built-in GPS

See your real-time pace & distance without your phone using built-in GPS during outdoor activity, then see a map of your workout route in the Fitbit app

Vibrant colour display

Bring your stats to life on a new colour touchscreen that’s two times brighter than Charge 4 in daylight and protected by Corning® Gorilla® Glass 3.

Up to 7-day battery life

Track all your moves for up to 7 days without having to stop for a charge with a long battery life

Specifications:

Size

Small – fits wrists 130 – 170mm in circumference

Large – fits wrists 170mm – 210mm in circumference

Sensors & Components

Optical heart rate tracker
3-axis accelerometer
Built-in GPS + GLONASS
Red and infrared sensors for oxygen saturation
Device temperature sensor
Ambient light sensor
Vibration motor

Battery and Power

Battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

Battery type: Lithium-polymer
Charge time: (0-100%): Two hours

Memory

Saves 7 days of detailed motion data – minute by minute
Saves daily totals for past 30 days
Stores heart rate data at one-second intervals during exercise tracking and at five-second intervals all other times.

Water resistance

Up to 50 mètres. After getting the band wet, we recommend drying the band.

Materials

The Charge 5 housing is made of aluminium, glass and resin. The band is made of silicone and has an aluminium buckle.

Syncing

The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:

Apple iOS 12.2 or higher.
Android OS 8.0 or higher.

Syncing range: Up to 9m

Certain features like smartphone notifications may require Android 8.0+.
Syncing requires Bluetooth® LE and internet connection.
Syncs with Mac OS X 12.2 and up, iPhone 5S and later, Android 8.0 and later.

Fitbit Charge 5