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Fitbit Charge 4 (NFC) - Black/Black

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Fitbit Charge 4 (NFC) - Black/Black

Are you among the active people, who would like to have an activity overview? Or do you want to have an alternative to your wristwatch and are you interested in smart technologies? Then, you should consider the Fitbit fitness bracelet. It will win your heart with its compact size and great functions. The built-in battery capacity is enough for about 168 hours in normal use, so the fitness tracker shouldn't run out of juice just when you need it. This bracelet has a dial with a shape of angular and the display offers 1,36" diagonal size.. for both men and women. Obviously, it also includes information about the current time. This fitness tracker includes the combined time display. An essential part of the fitness bracelet is that it supports sports features, e. g. activity start detection, interval training, pedometer, strava app support, speed, tempo, pulse, body regeneration level, calorie tracking, floors climbed, distances and elevation. It will notify you with vibrations. The Fitbit Charge 4 (NFC) - Black/Black fitness tracker can be used to monitor different activities, e. g. running, cycling, fitness, golf, walking, yoga, swimming, tennis and hiking.

Key Features of the Fitbit Charge 4 (NFC) - Black/Black Fitness Tracker

  • Fitness tracker to have an overview of your activity
  • The design and features are suitable for everyone regardless gender
  • Smart features: music player control in mobile phone, weather forecast, sleep/do not disturb mode and custom watch faces
  • Watch functions: date, stopwatch, alarm clock, day of the week, backlighting, calendar and 24-hour mode
  • Compatible with OS: iOS and Android
  • Uses Fitbit OS
  • Sensors: accelerometer, gps, vibration and oximeter

Smart Fitness Tracker – the Fitbit Charge 4 (NFC) - Black/Black

The Fitbit Charge 4 (NFC) - Black/Black Fitness Tracker will surprise you with its amazing features. You can set the fitness band to vibration mode to receive alerts about emergencies. The Fitbit Charge 4 (NFC) - Black/Black measures your sporting activity, such as running, cycling, fitness, golf, walking, yoga, swimming, tennis and hiking. It offers the sleep tracking feature. The tracker will measure how long you slept deeply and undisturbed, so you won't be as tired during the day. The calorie counter will help you keep an eye on your food intake. The integrated pedometer will force you to move by recording and creating interesting statistics. You will also like the healthy features, such as regular fluid intake, smart waking up, monitor sleep, blood oxygen saturation measurement, movement reminder and menstrual cycle monitoring. For example, when running, you can see the distance, tempo and speed statistics. Also, the interval training function is great if you wish to increase your speed and performance and burn some extra calories. The function called floors ascended will provide you with an overview of your daily number of flights of stairs climbed or descended.

What else to know about the Fitbit Smart Bracelet

  • The case is Black, which gives a stylish look to the Fitbit fitness tracker
  • The device is stored in the case of plastic
  • You will barely notice to wear it, as it is light with only 26 g
  • The maximum battery life is 168 hr(s)
  • The language of the interface of the Fitbit Charge 4 (NFC) - Black/Black fitness tracker is english, czech, german and french
  • Its app speaks english, czech, german and french
  • Can be connected via Bluetooth
  • Control: combined

Additional Info about the Fitbit Fitness Tracker

The gorilla Glass glass safeguards the fitness tracker, so you don't have to worry about any scratches. The Fitbit Fitness Tracker works with iOS and Android through Bluetooth. You can also take advantage of the alarm clock feature. Of course, it shows the current date. It will also tell you the day of the week. Everyday, you will appreciate the NFC chip that lets you use the fitness tracker to pay in a shop. The stop-watch can be used to measure time of your activity.


Easy selection

What kind of watch are you looking for? Lifestyle, Medical
How high are your requirements for a smartwatch? Low
What should the watch look like? Sporty and technical


Usage Unisex

Hardware and Software

Watch OS Fitbit OS
OS compatibility iOS, Android
Control Combined
Connectivity Bluetooth
Compatible OS Version Android 11.0 , Android 10.0 , Android 9.0 , Android 8.0 , iOS 15 , iOS 14 , iOS 13
Internal memory No
Sensors and hardware Accelerometer, GPS, Vibration, Oximeter
Interface Language English , Czech , German , French
App Language English, Czech, German, French

Design and display

Dial Shape Angular
Time display Combined
Display diagonal 1.36 "
Case Material Plastic
Case colour Black
Glass Gorilla Glass
Display type Other OLED
Case size 23 mm
Weight 26 g

Sports features

Sports Running , Cycling , Fitness , Golf , Walking , Yoga , Swimming , Tennis , Hiking
Sports tracking function Activity start detection, Interval training, Pedometer, Strava app support, Speed, Tempo, Pulse, Body regeneration level, Calorie tracking, Floors climbed, Distances, Elevation

Health functions

Health functions Regular fluid intake , Smart waking up , Monitor sleep , Blood Oxygen Saturation Measurement , Movement reminder , Menstrual cycle monitoring
Heart Rate Measurement Direct/Wrist Measurement

Smart features

Smart features Music player control in mobile phone, Weather forecast, Sleep/Do not disturb mode, Custom watch faces
NFC Payment Type Fitbit Pay
Watch functions Date , Stopwatch , Alarm clock , Day of the week , Backlighting , Calendar
Location and route tracking With GPS in the watch

Notifications and calls

Phone notifications Incoming call, Incoming call rejection, SMS, WhatsApp, Messenger, Social media, Calendar, E-mail
Messages Preset replies to messages

Waterproof and resistant

Water resistancy IP68

Battery capacity

Max. Battery Life 168 hr(s) (7 d)
Normal Battery Life 168 hr(s)


Replaceable strap YES
Watch Band Material Silicone
Strap colour Black
Min. wrist circumference 14 cm


Included Charging Cable, Extra strap


Brand Fitbit
Model Charge 4


Awards dTest
Code:  FTBch401
Warranty: 24 months
Product Number:  FB417BKBK
Links: Producer's Website:

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