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Fitbit Charge 3 Full Specifications and Features

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Fitbit Charge 3 is Fitbit latest addition to their list of fitness tracker. Off course it has quiet some upgrades from the Charge 2, its touchscreen, their is NFC in special edition, its swim proof and has better durable materials. The special edition of Fitbit charge 3 will be released next month, in November.

fitbit charge 3 specs

fitbit charge 3 specs and features

Fitbit Charge 3 Full Specifications


4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
Fitness tracking:
4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
3 out of 5 stars (3.0 / 5)
4 out of 5 stars (4.0 / 5)




Device nameFitbit Charge 3
Device typeFitness smartwatch
PredessesorFitbit Charge 2
Released dateAugust, 2018
Ideal forGreat for both men and women


Display typeColor OLED
Display size1.57 inch
Screen resolution--
Color density--
Input typeTouchscreen plus inductive button


Dimension38 x 18.3 x 11.8 mm
Weight30 grams
Casing materialAluminum
Strap materialPolyester
Bezel Material--
Band size5.5 - 8-7 inch (different sizes)
Screen protectionCorning Gorilla glass
Water resistantYes, 5ATM
Color(s)Black, white, rose-gold


Internal storage
Memory card slot--


BluetoothBluetooth v4.0
NFCYes (special editor)
GPSNo, (connected GPS)


SIM slotNo


Email alertYes
SMS alertYes
Calls alertYes
Event reminderYes
Weather forecastYes
Facebook notifacationYes
Twitter notificationYes
Whatsapp notificationYes


Sleep trackingYes
Heart rate monitoringYes
Distance coveredYes
Steps climbedYes
Calories burntYes
Sedentary reminderYes
Hiking Yes
Calories ConsumptionYes


Bluetooth audioNo


Accelerometer Yes
Magnetometer --
Heart rate monitor (HRM)Yes
Gyroscope Yes
Ambient lightYes


Operating system (OS)Fitbits OS


Type of battery Lithium polymer
Battery capacity
Battery lifeStandby :6days+ , Mixed usage: 40hours+
ChargingUSB based charging dock
Charging timeAbout 2 hours


Payment systemFitbit Pay (special edition)
Compatibility Andriod, IOS

Check supported devices
Companion appFitbit App
Customizable watch faceYes
Interchangeable band Yes, (different sizes)
Voice command--


Fitbit Charge 3
Charging Dock
User manual

Fitbit Charge 3 Features



The newest fitness tracker from Fitbit inc, Fitbits charge 3 is stylishly designed with top notch finishes which gives it an elegant sporty look. It’s a fitness tracker capable of tracking various fitness activities as well as serve as traditional watch. The screen size is 1.57inch which slightly bigger than the older Fitbit charge 2. Just like the charge 2, charge 3 display is powered by OLED with an added grayscale technology that adds to the display quality and also makes viewing the device under sunlight a bliss.

The body is built for durability with aero-grade aluminum material which adds to its reduced weight as well as a reflective elegant design. Whereas the strap is made of polyester material with aluminum buckle. Although the straps are interchangeable, can be changed with any strap of your choice.

The Fitbit charge 3 is much lesser than the charge 2, it weighs only 30 grams compared to charge 2 which weighs 36grams.


The battery life of Fitbit charge 3 is one of its selling point, it has quiet an impressive battery life, though not the best. Just like the other fitbits It’s a lithium polymer battery. On standby the battery can last for about 6days+ while on mixed/average usage it stays up for about 3days+. Fitbit charge 3 can be charged via the USB charging cable that came with the device, this can be done by plugging the cable into your computer or other low-energy source, its not recommended to use USB hub or battery pack in charging. It takes about 2-3 hours for the battery to be fully charged.

Water Resistance/Protection

Fitbit charge 3 is water resistant up to 50 meters and as such it is swim ready, can be worn under rain, under the shower, but like every other electronic device it is recommended that you get it dried up once not in contact with water to get the best out of it. It is also recommended that you don’t subject the device to high pressure such as diving, or wearing it to a hot tub.

Beside this, just like other versions of Fitbit smartwatches like Fitbit ionic, Fitbit versa, the screen is made of a corning gorilla glass for protection which makes the screen scratch resistant.

Activity/Fitness tracking

Fitbit is very keen on its healthy living hallmark and off course has built into the charge 3 fitness activity tracking features that encourages you to live a more healthier life. Fitbit charge 3 comes loaded with really smart sensors which are capable of tracking quiet a huge list of fitness activities. This include;

  • Tracking steps you climbed.
  • It also tracks calories burnt after a workout.
  • The heart rate monitor sensor monitors your heart rate and can analyze general health of the heart plus real time heart rate zone.
  • It is capable of tracking your sleep.
  • It is also capable of reminding you of sedentary times and encourages you to walk.

For female health on the Fitbit charge 3 the Fitapp can be used to log your period, record symptoms and compare it with other health stats.

Just like Versa and Ionic, there is a new sensor on the Fitbit charge 3, SpO2 which won’t be active for the time being as Fitbit is still working on it. This sensor will be capable of tracking breathing disruptions which can be a sign of allergies, asthma or other related ailments.

Notifications & Application

The Fitbit charge 3 is capable of notifying you of updates from your phone. It notifies when there an incoming call, although you can’t answer it, similarly it notifies you when there are missed calls. The charge 3 also notifies you when there are notifications from third-party apps installed on your phone such as; facebook, twitter, instagram,whatsapp… Weather forecast, event/calendar reminder are some other notifications you get from a Fitbit charge 3.

You can personalize how you get notified by the Fitbit charge 3 by setting it up using the Fitbit app.

The companion app for the Fitbit charge 3 is the Fitbit app which over the years has received subsequent upgrades in it’s features and functionality which makes it a much better companion app for the device. Stats and metrics from workouts and other fitness activities can be viewed via the app even over a long period of time helping you monitor health status and trends.

The downside to the Fitbit charge 3 is that it lacks an in-built GPS, however if you still want the GPS functionality, you can connect to the GPS in your smartphone. Secondly, the charge 3 doesn’t have an internal storage space where you can store your favorite tracks which you can play via a Bluetooth enable earbud.

The Fitbits charge 3 is compatible with various android, IOS and windows devices. You can check if your smartphone is compatible with the Fitbit charge 3 via Fitbit compatible devices page. There is an NFC chip built into the Fitbit charge 3 special edition.

The Pros

  • It is touch screen.
  • The design is top notch.
  • It is water resistant up to 50 meters.
  • It has a huge list of fitness tracking features.
  • It comes with an NFC functionality.
  • The body is built for durability.
  • The strap can be changed.
  • The display is bright and rich colored.

The Cons

  • It doesn’t have in-built GPS
  • It doesn’t have a loudspeaker neither microphone.
  • It doesn’t have music storage space.

Editor’s Ratings

The Fitbit charge 3 is really captivating and a beast to behold. It has obviously all that you would expect from a modern day fitness tracker, its sleek, will fit for casual outings and any type of workout.

Here is what we honestly think of the charge 3 ,

4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
Fitness tracking:
4.5 out of 5 stars (4.5 / 5)
4 out of 5 stars (4.0 / 5)
3 out of 5 stars (3.0 / 5)
4 out of 5 stars (4.0 / 5)

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