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Fitbit Charge 4 Waterproof Black
Activity Trackers

Fitbit Charge 4 Waterproof Black

  • Greyscale OLED touchscreen display
  • Stores detailed motion data for 7 days & daily total activity for the past 30 days
  • Call & message notifications on the screen
  • Waterproof up to 50 meters
  • Weight:
  • Greyscale OLED touchscreen display
  • Stores detailed motion data for 7 days & daily total activity for the past 30 days
  • Call & message notifications on the screen
  • Waterproof up to 50 meters
  • Weight: 30 gr

See full description See full description

  • Αισθητήρες

    GPS

    Technology that allows the detection of geographical location through satellite. It enables accurate recording of the route we followed, for example during running.

    Altimeter

    Like a barometer, an altimeter measures atmospheric pressure by translating it into altitude, helping, for example, to measure how many floors we have climbed.

    Accelerometer

    This sensor allows the device to perceive changes in acceleration. For example, with this sensor it can count the steps we take when wearing it.

    Calorimeter

    Calculates how many calories you have burned each day.

    Heart Beat Monitor

    Integrated heart rate monitor.

    Sleep Monitoring

    Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)

  • Features

    Inactivity Reminder

    Notifications for prolonged inactivity. Ideal for office work and sedentary lifestyle, it reminds us to move regularly to improve our health.

    Vibration

    Vibration capability for notifications and functions, such as alarm, goal completion.

    Application / Calls Notification

    The activity tracker has the ability to transfer notifications from our mobile phone applications such as receiving SMS, email, or a notification from a social media application. Depending on the activity tracker, we may also be able to read it directly from it.

    Call Notification

    Notifies you when you receive incoming calls, allowing you to see who is calling directly on the device's screen, without needing to take your phone out of your pocket or bag.

    Rechargable Battery

    The battery of the fitness tracker can be replaced.
  • See all
The product is not available for shipping to the selected country.
Product report

Description

Description

  • Greyscale OLED touchscreen display
  • Stores detailed motion data for 7 days & daily total activity for the past 30 days
  • Call & message notifications on the screen
  • Waterproof up to 50 meters
  • Weight: 30 gr

Additional features: 24/7 Heart Rate, Sleep Stages & Score, Resting Heart Rate, Heart rate zones, Workout Intensity map, Active Zones Minutes, All-Day Activity Tracking, Goal-Based Exercise Modes, Female Health, Reminders to Move, Built-in GPS, Daily Dashboard, Accessories & Clock Faces, Spotify Control, Guided Breathing Sessions, Wireless Sync, Notifications & Apps

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Screen Size
1 "

Screen Size

The screens of activity trackers are usually 0.5-1.5 inches, with most having ~1 inch and above.
Screen Type
OLED

Screen Type

The two main categories are IPS and AMOLED.

2. The type of screen affects how vivid or realistic the colors are, how bright and easy to use outdoors in the sun, how distorted the image is when viewed at an angle, and how much battery it consumes.

OLED
They perform better in darker spaces, with almost perfect black rendering, natural images and high color accuracy. Lower battery consumption compared to LCD/IPS.
Release Date
2020
Compatibility
Android, iOS
Connection
Bluetooth

Connection

Bluetooth

The way to connect the activity tracker to our mobile phone.

Features & Functions

Use
Swimming, Walking, Running

Use

The activity tracker has the ability to record the corresponding activity and produce relevant statistics. (e.g. for running by measuring the distance)
Features
Inactivity Reminder, Vibration, Application / Calls Notification, Call Notification, Rechargable Battery

Features

Inactivity Reminder
Notifications for prolonged inactivity. Ideal for office work and sedentary lifestyle, it reminds us to move regularly to improve our health.
Vibration

Vibration capability for notifications and functions, such as alarm, goal completion.

Application / Calls Notification
The activity tracker has the ability to transfer notifications from our mobile phone applications such as receiving SMS, email, or a notification from a social media application. Depending on the activity tracker, we may also be able to read it directly from it.
Call Notification

Notifies you when you receive incoming calls, allowing you to see who is calling directly on the device's screen, without needing to take your phone out of your pocket or bag.

Rechargable Battery

The battery of the fitness tracker can be replaced.

Additional Specifications

Sensors
GPS, Altimeter, Accelerometer, Calorimeter, Heart Beat Monitor, Sleep Monitoring

Sensors

GPS
Technology that allows the detection of geographical location through satellite. It enables accurate recording of the route we followed, for example during running.
Altimeter
Like a barometer, an altimeter measures atmospheric pressure by translating it into altitude, helping, for example, to measure how many floors we have climbed.
Accelerometer

This sensor allows the device to perceive changes in acceleration. For example, with this sensor it can count the steps we take when wearing it.

Calorimeter

Calculates how many calories you have burned each day.

Heart Beat Monitor

Integrated heart rate monitor.

Sleep Monitoring

Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)
Waterproof
Swimming Pool

Battery

Operation Time
168 hrs

Operation Time

The amount of time an activity tracker can operate with basic functions activated on a full charge. An average is 7 days, but it depends on what each manufacturer defines as standby mode. The size makes sense mainly in comparing products from the same manufacturer.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (13)

Reviews

3.3
13
3.3
Review this product
  1. 6
  2. 4 stars
    0
  3. 2
  4. 2
  5. 3
Review this product
  • Comfort
  • Battery life
  • Material quality
  • Moderate number of features
  • Relative accuracy in measurements
  • Value for money
  • Easy-to-read screen

Mary_Jeanne_Dorsey
5
3 out of 3 members found this review helpful
Mary_Jeanne_Dorsey

Verified purchase

I replaced the Charge 3 with this Charge 4 and it works as expected. The battery life is very good and the strap fits well. It is also water-resistant. It provides very accurate measurements and sleep analysis. I highly recommend it!

Translated from Greek ·
  • Accuracy in measurements
  • Battery life
  • Sufficient number of features
  • Comfort
  • Material quality
  • Value for money
Did you find this review helpful?

Rinoula2020
1
11 out of 19 members found this review helpful
Rinoula2020

Verified purchase

It is completely unreliable. It counts steps when I sleep, when I drive, when I sit at work, and when I write on the computer. And we're not talking about a few steps, so the difference is negligible. For example, yesterday afternoon from 14:00 to 17:00 when I didn't get up from my office chair at all, it recorded about 250 steps, while this morning when I woke up it said I had taken 188 steps while sleeping. I am very disappointed with this purchase.

Translated from Greek ·
  • Battery life
  • Comfort
  • Material quality
  • Inaccuracy in measurements
  • Limited number of features
  • Value for money
Did you find this review helpful?
  • So_Ri
    2
    5 out of 6 members found this review helpful
    So_Ri

    It lasted only 2 years for me. From the moment I received it, within 3 months the screen stopped working and had to be replaced. There was no issue with that because they immediately sent me a new one (although in a different color than what I had purchased). Overall, its calculations are a bit off and it inaccurately records steps during bus or car rides. Additionally, I had to replace the strap twice as it kept getting cut from the buckle's opening and closing. Within the 2 years, the screen broke again and now I can't use it or replace it, so it's useless.
    Although it looks nice at first glance, considering its price and the basic fitness metrics it offers, I do not recommend it. There are much more affordable trackers with better performance and quality.

    Translated from Greek ·
    • Comfort
    • Battery life
    • Moderate number of features
    • Inaccuracy in measurements
    • Material quality
    • Value for money
    Did you find this review helpful?
  • Dimitris_Stathopoulos26
    1
    6 out of 8 members found this review helpful
    Dimitris_Stathopoulos26

    The specific product is not worth its money at all...
    1) The GPS is unacceptable, you have to be at Syntagma Square, for example, to catch you accurately, and when you go for a run, it loses a lot compared to the mobile's GPS. So it's useless.
    2) The screen is always off and to activate it, you have to "feel" that movement we make to see the time on our watch. Well, the sensor that detects when we want to see the time is bad and 6 out of 10 times it doesn't work, so you have to press the button on the side to activate the screen.
    3) The heart rate monitor is TERRIBLE at accurately detecting heart rate fluctuations, so those of you who do HIIT training, just stay away.
    4) The screen is BLACK AND WHITE (COME ON, IT'S LIKE WE'RE IN 1990), and the touch sensitivity is not that good.

    In general, it's not worth even 50 euros. Just go straight to GARMIN or if you want something cheap that's worth its money, go for the mi band 5-6 from xiaomi.

    Translated from Greek ·
    • Comfort
    • Moderate number of features
    • Material quality
    • Inaccuracy in measurements
    • Battery life
    • Value for money
    Did you find this review helpful?
  • vsscr
    3
    8 out of 8 members found this review helpful
    vsscr

    Verified purchase

    Several years owner of the Fitbit Charge series (2,3,4). With this particular version, I encountered many connectivity issues from the beginning. Along the way, it started losing signal in GPS while sitting still. In the end, it crashed and I returned it.
    Although it has significantly improved in measurements, I believe that the device has fallen a bit behind for the money it asks for. Notifications didn't always play. Also, the screen brightness is not very good in the sun. Finally, the charging adapter is mediocre-unacceptable. They missed adding a magnetic adapter.

    On the positive side:
    + Accurate measurements
    + Number of sports
    + Automatic exercise recognition
    + Built-in GPS
    + Battery
    + The application and overall user interface of Fitbit.

    Translated from Greek ·
    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Material quality
    • Value for money
    Did you find this review helpful?
  • euakos
    5
    7 out of 7 members found this review helpful
    euakos
    This review is about the colour: Purple

    For those who desire a relatively minimal aesthetic, monochrome screen, and the functions of a very good tracker with built-in GPS - and many more - it is a very good choice. Easy installation, lots of information and analysis in the Fitbit app on your mobile. The positives include its long battery life (5-7 days), its waterproof feature, and this model has Spotify control as well as the ability to add a credit card for contactless payments.

    Translated from Greek ·
    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Material quality
    • Value for money
    Did you find this review helpful?
  • 5
    2 out of 3 members found this review helpful
    Δαυίδ Μ

    Easy installation. Great improvement from Charge3

    Translated from Greek ·
    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Value for money
    • Material quality
    Did you find this review helpful?
  • 5
    ko8080

    Verified purchase

    This review is about the colour: Purple

    • Battery life
    • Comfort
    • Material quality
    • Relative accuracy in measurements
    • Moderate number of features
    • Value for money
    • Easy-to-read screen
  • 3
    matas

    Verified purchase

    • Relative accuracy in measurements
    • Battery life
    • Moderate number of features
    • Comfort
    • Material quality
    • Value for money
    • Easy-to-read screen
  • 5
    farao69

    Verified purchase

  • 1
    ntsakoumis

    • Battery life
    • Comfort
    • Material quality
    • Relative accuracy in measurements
    • Limited number of features
    • Value for money
    • Easy-to-read screen
  • 5
    Giorgos_Prentzas

    Verified purchase

    This review is about the colour: Purple

    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Material quality
    • Value for money
  • So_Ri
    2
    So_Ri

    It lasted only 2 years for me. From the moment I received it, within 3 months the screen stopped working and had to be replaced. There was no issue with that because they immediately sent me a new one (although in a different color than what I had purchased). Overall, its calculations are a bit off and it inaccurately records steps during bus or car rides. Additionally, I had to replace the strap twice as it kept getting cut from the buckle's opening and closing. Within the 2 years, the screen broke again and now I can't use it or replace it, so it's useless.
    Although it looks nice at first glance, considering its price and the basic fitness metrics it offers, I do not recommend it. There are much more affordable trackers with better performance and quality.

    Translated from Greek ·
    5
  • Dimitris_Stathopoulos26
    1
    Dimitris_Stathopoulos26

    The specific product is not worth its money at all...
    1) The GPS is unacceptable, you have to be at Syntagma Square, for example, to catch you accurately, and when you go for a run, it loses a lot compared to the mobile's GPS. So it's useless.
    2) The screen is always off and to activate it, you have to "feel" that movement we make to see the time on our watch. Well, the sensor that detects when we want to see the time is bad and 6 out of 10 times it doesn't work, so you have to press the button on the side to activate the screen.
    3) The heart rate monitor is TERRIBLE at accurately detecting heart rate fluctuations, so those of you who do HIIT training, just stay away.
    4) The screen is BLACK AND WHITE (COME ON, IT'S LIKE WE'RE IN 1990), and the touch sensitivity is not that good.

    In general, it's not worth even 50 euros. Just go straight to GARMIN or if you want something cheap that's worth its money, go for the mi band 5-6 from xiaomi.

    Translated from Greek ·
    6
  • vsscr
    3
    vsscr

    Several years owner of the Fitbit Charge series (2,3,4). With this particular version, I encountered many connectivity issues from the beginning. Along the way, it started losing signal in GPS while sitting still. In the end, it crashed and I returned it.
    Although it has significantly improved in measurements, I believe that the device has fallen a bit behind for the money it asks for. Notifications didn't always play. Also, the screen brightness is not very good in the sun. Finally, the charging adapter is mediocre-unacceptable. They missed adding a magnetic adapter.

    On the positive side:
    + Accurate measurements
    + Number of sports
    + Automatic exercise recognition
    + Built-in GPS
    + Battery
    + The application and overall user interface of Fitbit.

    Translated from Greek ·
    8
  • euakos
    5
    euakos

    For those who desire a relatively minimal aesthetic, monochrome screen, and the functions of a very good tracker with built-in GPS - and many more - it is a very good choice. Easy installation, lots of information and analysis in the Fitbit app on your mobile. The positives include its long battery life (5-7 days), its waterproof feature, and this model has Spotify control as well as the ability to add a credit card for contactless payments.

    Translated from Greek ·
    7
  • See all

Description & Specifications

  • Greyscale OLED touchscreen display
  • Stores detailed motion data for 7 days & daily total activity for the past 30 days
  • Call & message notifications on the screen
  • Waterproof up to 50 meters
  • Weight: 30 gr

Additional features: 24/7 Heart Rate, Sleep Stages & Score, Resting Heart Rate, Heart rate zones, Workout Intensity map, Active Zones Minutes, All-Day Activity Tracking, Goal-Based Exercise Modes, Female Health, Reminders to Move, Built-in GPS, Daily Dashboard, Accessories & Clock Faces, Spotify Control, Guided Breathing Sessions, Wireless Sync, Notifications & Apps

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Screen Size
1 "

Screen Size

The screens of activity trackers are usually 0.5-1.5 inches, with most having ~1 inch and above.
Screen Type
OLED

Screen Type

The two main categories are IPS and AMOLED.

2. The type of screen affects how vivid or realistic the colors are, how bright and easy to use outdoors in the sun, how distorted the image is when viewed at an angle, and how much battery it consumes.

OLED
They perform better in darker spaces, with almost perfect black rendering, natural images and high color accuracy. Lower battery consumption compared to LCD/IPS.
Release Date
2020
Compatibility
Android, iOS
Connection
Bluetooth

Connection

Bluetooth

The way to connect the activity tracker to our mobile phone.

Features & Functions

Use
Swimming, Walking, Running

Use

The activity tracker has the ability to record the corresponding activity and produce relevant statistics. (e.g. for running by measuring the distance)
Features
Inactivity Reminder, Vibration, Application / Calls Notification, Call Notification, Rechargable Battery

Features

Inactivity Reminder
Notifications for prolonged inactivity. Ideal for office work and sedentary lifestyle, it reminds us to move regularly to improve our health.
Vibration

Vibration capability for notifications and functions, such as alarm, goal completion.

Application / Calls Notification
The activity tracker has the ability to transfer notifications from our mobile phone applications such as receiving SMS, email, or a notification from a social media application. Depending on the activity tracker, we may also be able to read it directly from it.
Call Notification

Notifies you when you receive incoming calls, allowing you to see who is calling directly on the device's screen, without needing to take your phone out of your pocket or bag.

Rechargable Battery

The battery of the fitness tracker can be replaced.

Additional Specifications

Sensors
GPS, Altimeter, Accelerometer, Calorimeter, Heart Beat Monitor, Sleep Monitoring

Sensors

GPS
Technology that allows the detection of geographical location through satellite. It enables accurate recording of the route we followed, for example during running.
Altimeter
Like a barometer, an altimeter measures atmospheric pressure by translating it into altitude, helping, for example, to measure how many floors we have climbed.
Accelerometer

This sensor allows the device to perceive changes in acceleration. For example, with this sensor it can count the steps we take when wearing it.

Calorimeter

Calculates how many calories you have burned each day.

Heart Beat Monitor

Integrated heart rate monitor.

Sleep Monitoring

Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)
Waterproof
Swimming Pool

Battery

Operation Time
168 hrs

Operation Time

The amount of time an activity tracker can operate with basic functions activated on a full charge. An average is 7 days, but it depends on what each manufacturer defines as standby mode. The size makes sense mainly in comparing products from the same manufacturer.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (13)

3.3
13
3.3
Review this product
  1. 6
  2. 4 stars
    0
  3. 2
  4. 2
  5. 3
Review this product
  • Comfort
  • Battery life
  • Material quality
  • Moderate number of features
  • Relative accuracy in measurements
  • Value for money
  • Easy-to-read screen

Mary_Jeanne_Dorsey
5
3 out of 3 members found this review helpful
Mary_Jeanne_Dorsey

Verified purchase

I replaced the Charge 3 with this Charge 4 and it works as expected. The battery life is very good and the strap fits well. It is also water-resistant. It provides very accurate measurements and sleep analysis. I highly recommend it!

Translated from Greek ·
  • Accuracy in measurements
  • Battery life
  • Sufficient number of features
  • Comfort
  • Material quality
  • Value for money
Did you find this review helpful?

Rinoula2020
1
11 out of 19 members found this review helpful
Rinoula2020

Verified purchase

It is completely unreliable. It counts steps when I sleep, when I drive, when I sit at work, and when I write on the computer. And we're not talking about a few steps, so the difference is negligible. For example, yesterday afternoon from 14:00 to 17:00 when I didn't get up from my office chair at all, it recorded about 250 steps, while this morning when I woke up it said I had taken 188 steps while sleeping. I am very disappointed with this purchase.

Translated from Greek ·
  • Battery life
  • Comfort
  • Material quality
  • Inaccuracy in measurements
  • Limited number of features
  • Value for money
Did you find this review helpful?
  • So_Ri
    2
    5 out of 6 members found this review helpful
    So_Ri

    It lasted only 2 years for me. From the moment I received it, within 3 months the screen stopped working and had to be replaced. There was no issue with that because they immediately sent me a new one (although in a different color than what I had purchased). Overall, its calculations are a bit off and it inaccurately records steps during bus or car rides. Additionally, I had to replace the strap twice as it kept getting cut from the buckle's opening and closing. Within the 2 years, the screen broke again and now I can't use it or replace it, so it's useless.
    Although it looks nice at first glance, considering its price and the basic fitness metrics it offers, I do not recommend it. There are much more affordable trackers with better performance and quality.

    Translated from Greek ·
    • Comfort
    • Battery life
    • Moderate number of features
    • Inaccuracy in measurements
    • Material quality
    • Value for money
    Did you find this review helpful?
  • Dimitris_Stathopoulos26
    1
    6 out of 8 members found this review helpful
    Dimitris_Stathopoulos26

    The specific product is not worth its money at all...
    1) The GPS is unacceptable, you have to be at Syntagma Square, for example, to catch you accurately, and when you go for a run, it loses a lot compared to the mobile's GPS. So it's useless.
    2) The screen is always off and to activate it, you have to "feel" that movement we make to see the time on our watch. Well, the sensor that detects when we want to see the time is bad and 6 out of 10 times it doesn't work, so you have to press the button on the side to activate the screen.
    3) The heart rate monitor is TERRIBLE at accurately detecting heart rate fluctuations, so those of you who do HIIT training, just stay away.
    4) The screen is BLACK AND WHITE (COME ON, IT'S LIKE WE'RE IN 1990), and the touch sensitivity is not that good.

    In general, it's not worth even 50 euros. Just go straight to GARMIN or if you want something cheap that's worth its money, go for the mi band 5-6 from xiaomi.

    Translated from Greek ·
    • Comfort
    • Moderate number of features
    • Material quality
    • Inaccuracy in measurements
    • Battery life
    • Value for money
    Did you find this review helpful?
  • vsscr
    3
    8 out of 8 members found this review helpful
    vsscr

    Verified purchase

    Several years owner of the Fitbit Charge series (2,3,4). With this particular version, I encountered many connectivity issues from the beginning. Along the way, it started losing signal in GPS while sitting still. In the end, it crashed and I returned it.
    Although it has significantly improved in measurements, I believe that the device has fallen a bit behind for the money it asks for. Notifications didn't always play. Also, the screen brightness is not very good in the sun. Finally, the charging adapter is mediocre-unacceptable. They missed adding a magnetic adapter.

    On the positive side:
    + Accurate measurements
    + Number of sports
    + Automatic exercise recognition
    + Built-in GPS
    + Battery
    + The application and overall user interface of Fitbit.

    Translated from Greek ·
    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Material quality
    • Value for money
    Did you find this review helpful?
  • euakos
    5
    7 out of 7 members found this review helpful
    euakos
    This review is about the colour: Purple

    For those who desire a relatively minimal aesthetic, monochrome screen, and the functions of a very good tracker with built-in GPS - and many more - it is a very good choice. Easy installation, lots of information and analysis in the Fitbit app on your mobile. The positives include its long battery life (5-7 days), its waterproof feature, and this model has Spotify control as well as the ability to add a credit card for contactless payments.

    Translated from Greek ·
    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Material quality
    • Value for money
    Did you find this review helpful?
  • 5
    2 out of 3 members found this review helpful
    Δαυίδ Μ

    Easy installation. Great improvement from Charge3

    Translated from Greek ·
    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Value for money
    • Material quality
    Did you find this review helpful?
  • 5
    ko8080

    Verified purchase

    This review is about the colour: Purple

    • Battery life
    • Comfort
    • Material quality
    • Relative accuracy in measurements
    • Moderate number of features
    • Value for money
    • Easy-to-read screen
  • 3
    matas

    Verified purchase

    • Relative accuracy in measurements
    • Battery life
    • Moderate number of features
    • Comfort
    • Material quality
    • Value for money
    • Easy-to-read screen
  • 5
    farao69

    Verified purchase

  • 1
    ntsakoumis

    • Battery life
    • Comfort
    • Material quality
    • Relative accuracy in measurements
    • Limited number of features
    • Value for money
    • Easy-to-read screen
  • 5
    Giorgos_Prentzas

    Verified purchase

    This review is about the colour: Purple

    • Accuracy in measurements
    • Battery life
    • Sufficient number of features
    • Comfort
    • Material quality
    • Value for money
  • So_Ri
    2
    So_Ri

    It lasted only 2 years for me. From the moment I received it, within 3 months the screen stopped working and had to be replaced. There was no issue with that because they immediately sent me a new one (although in a different color than what I had purchased). Overall, its calculations are a bit off and it inaccurately records steps during bus or car rides. Additionally, I had to replace the strap twice as it kept getting cut from the buckle's opening and closing. Within the 2 years, the screen broke again and now I can't use it or replace it, so it's useless.
    Although it looks nice at first glance, considering its price and the basic fitness metrics it offers, I do not recommend it. There are much more affordable trackers with better performance and quality.

    Translated from Greek ·
    5
  • Dimitris_Stathopoulos26
    1
    Dimitris_Stathopoulos26

    The specific product is not worth its money at all...
    1) The GPS is unacceptable, you have to be at Syntagma Square, for example, to catch you accurately, and when you go for a run, it loses a lot compared to the mobile's GPS. So it's useless.
    2) The screen is always off and to activate it, you have to "feel" that movement we make to see the time on our watch. Well, the sensor that detects when we want to see the time is bad and 6 out of 10 times it doesn't work, so you have to press the button on the side to activate the screen.
    3) The heart rate monitor is TERRIBLE at accurately detecting heart rate fluctuations, so those of you who do HIIT training, just stay away.
    4) The screen is BLACK AND WHITE (COME ON, IT'S LIKE WE'RE IN 1990), and the touch sensitivity is not that good.

    In general, it's not worth even 50 euros. Just go straight to GARMIN or if you want something cheap that's worth its money, go for the mi band 5-6 from xiaomi.

    Translated from Greek ·
    6
  • vsscr
    3
    vsscr

    Several years owner of the Fitbit Charge series (2,3,4). With this particular version, I encountered many connectivity issues from the beginning. Along the way, it started losing signal in GPS while sitting still. In the end, it crashed and I returned it.
    Although it has significantly improved in measurements, I believe that the device has fallen a bit behind for the money it asks for. Notifications didn't always play. Also, the screen brightness is not very good in the sun. Finally, the charging adapter is mediocre-unacceptable. They missed adding a magnetic adapter.

    On the positive side:
    + Accurate measurements
    + Number of sports
    + Automatic exercise recognition
    + Built-in GPS
    + Battery
    + The application and overall user interface of Fitbit.

    Translated from Greek ·
    8
  • euakos
    5
    euakos

    For those who desire a relatively minimal aesthetic, monochrome screen, and the functions of a very good tracker with built-in GPS - and many more - it is a very good choice. Easy installation, lots of information and analysis in the Fitbit app on your mobile. The positives include its long battery life (5-7 days), its waterproof feature, and this model has Spotify control as well as the ability to add a credit card for contactless payments.

    Translated from Greek ·
    7
  • See all