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Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)

by Fitbit

1,072 ratings

| 309 answered questions

Amazon's Choice for "fitbit charge"

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Use built-in GPS to see your pace and distance on screen during outdoor runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your route
With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise
Get a 90-day free trial of Fitbit Premium to help you stay active, sleep well and manage stress. Unlock it all in the Fitbit app. (Valid payment method required. Cancel before free trial ends to avoid subscription fees. Offer valid for new Premium users only)
Use 24/7 heart rate to track resting heart rate & better measure calorie burn
Play your favorite songs and playlists with Spotify app controls on your wrist. Also make secure purchases with Fitbit Pay and get call, text and smartphone app notifications.
Track workouts in real-time with 20+ goal-based exercise modes. It’s also swimproof and water resistant to 50M so you can track swims, wear in the shower and more
Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS (varies with use & other factors)
Track sleep stages & review your in-app Sleep Score for an easy way to see how well you slept.

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Color: Black/Black | Edition: Regular

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From the manufacturer

Charge 4

Compare Other Watches

	Activity Tracking
	Call & Text Alerts
	24/7 Heart Rate
	Swimproof up to 50m
7 days	Battery Life (Up to)	7 days
Built-in	GPS	With phone
	Active Zone Minutes

	Activity Tracking
	Call & Text Alerts
	24/7 Heart Rate
	Swimproof up to 50m
7 days	Battery Life (Up to)	5 days
Built-in	GPS	With phone
	Active Zone Minutes

Charge 3
Inspire HR

Product description

Color:Black/Black | Edition:Regular

With Fitbit Charge 4, there’s no limit to how far you can go. This sleek, swimproof tracker is packed with features that help you know your workouts and your body better—like built-in GPS, Active Zone Minutes, new exercise modes and sleep tracking. Plus, with Fitbit Pay and up to 7-days of battery life, you get more convenience on the go and more inspiration to reach your fitness goals.

Product details

Color: Black/Black | Edition: Regular

Product Dimensions: 9.7 x 1.1 x 0.5 inches ; 1.1 pounds
Shipping Weight: 7.2 ounces (View shipping rates and policies)
ASIN: B084CQ41M2
Item model number: FB417BKBK
Batteries 1 Lithium Polymer batteries required. (included)
Customer Reviews: 1,072 customer ratings
Amazon Best Sellers Rank: #73 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
- #1 in Heart Rate Monitors (Sports & Outdoors)

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Compare with similar items

		Fitbit Charge 3 Fitness Activity Tracker, Rose Gold/Blue Grey, one Size (no fitbit Warranty Support), 0.06 Pound	Fitbit Charge 3 Fitness Activity Tracker, Graphite/Black, one Size (no fitbit Warranty Support), 0.06 Pound	Fitbit Charge 2 Heart Rate + Fitness Wristband Watch, Black,(US Version), Large (6.7 - 8.1 Inch) (Renewed)

Customer Rating	(1072)	(4413)	(4865)	(4)
Price	$149.00	$124.00	$97.99	$129.99
Sold By	Amazon.com	deals2go	Bubba Deal'z	Chubbiestech
Color	Black/Black	Rose Gold/Blue Grey	Graphite/Black	Black
Item Dimensions	9.72 x 1.13 x 0.49 inches	1.63 x 4.04 x 8.90 inches	1.63 x 4.04 x 8.90 inches	9.87 x 0.89 x 0.51 inches
Item Weight	1.10 lbs	1.06 ounces	7.36 ounces	—
Lithium Battery Packaging	Batteries contained in equipment	Batteries contained in equipment	Batteries contained in equipment	Batteries contained in equipment

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4 star		11%
3 star		7%
2 star		6%
1 star		14%

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Nice upgrades

Reviewed in the United States on May 18, 2020

Color: Black/BlackEdition: Regular

I have had the Charge 4 since a few days after release and have really liked it so far. It is a nice upgrade from my Charge 2. I have worn it swimming and it performs great with no issues.

The Spotify connectivity is very nice as well. It is a nice feature for when I a running or lifting weights to be able to switch songs/playlists from the Charge 4.

If you haven't used a Fitbit before, the information it provides is great. I find myself overly interested in my sleep patterns and more aware of my sleep habits. I find it to be very accurate as my daily sleep score corresponds very well to how rested I feel that day. Also, the tracking of your resting heart rate is a good indicator of fitness level and is a nice thing to track over time.

I don't really track my daily steps, but I can see how it could be a motivating factor for people to get up and be active. I do use the heart rate zone tracking when I work out. You can actually look at a map of your run and it will show what heart rate zone you were in for each part of your run. It is nice to be able to measure how hard you are working.

Being able to see my text messages and calendar on the Charge 4 is nice as well. This Fitbit does everything that I want without making the jump to an Apple Watch. The Apple Watch is just a bit too geeky for me.

If I could add one thing to the watch it would be to be able to load music directly to the Charge 4 so that a phone wasn't needed to play music. It would be a nice addition for runs, but something I can live without.

Edit: OK, one of my favorite features of this Fitbit that I hadn't even thought about is the alarm. I know it sounds dumb, but the silent alarm works great. I absolutely hate waking up to the alarm on my phone which I have done for years. The vibrating alarm on my Charge 4 wakes me up every morning without putting me in a bad mood. Somehow it seems like I am naturally waking up and not being forced to get up by an annoying beep.

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1,708 people found this helpful

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Amazon Customer

A great upgrade from a charge 2 but some things to note...

Reviewed in the United States on April 21, 2020

Color: Black/BlackEdition: RegularVerified Purchase

Got this after my charge 2 died and wow is it and upgrade I really love it so far! Fair warning though on some things I didn’t realize: you need Spotify premium to use any of the Spotify features at all which was kind of a bummer. And according to their website if you use the GPS feature the Fitbit battery only lasts 5 hours. So you have to be careful to turn GPS only on and off when you need it when you’re exercising and not just leave it on to auto recognize which is a little annoying but not a huge deal. Also a few features require that you allow them to run in the background for them to “work properly” I don’t like to have things do that to try and preserve my phone battery so I turned off those permissions but left the others on and so far I haven’t had any other problems because my Fitbit still syncs throughout the day and I think can still get data that way. My boyfriend loves the sleep mode feature that turns off notifications and screen wake so when I toss and turn at night I don’t accidentally blind him with my watch screen if it goes off.

311 people found this helpful

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Amazon Customer

Pretty good, with some gripes. Buy it on sale.

Reviewed in the United States on April 23, 2020

Color: Black/BlackEdition: RegularVerified Purchase

I won't be like everyone who gives a bad review because they clearly got a dud (or user-error as it often is). I'll give it an honest assessment.

The app is amazing, that goes without saying. The quality of the band is nice, but it's a bit hefty, made bulkier by the textured diamond pattern in the band. The clasp is a bit cumbersome as well, and feels a bit like cheap plastic. I'll reserve my judgments on that until it breaks. Doesn't inspire confidence though.

The watch itself seems to be very accurate, it's comfortable, and has some nice options. The pressure button on the side is a little hard to press, I wish you could change the settings for the sensitivity. When pressing, it requires you to stabilize the other side with your thumb or else you'll just push the watch causing it to slide toward your hand. The UI on the app is clean and simple, although I wish it allowed to customization. I don't need all the settings and stats it comes with, and many you cannot remove from the UI. This makes you scroll more than you'll probably want to to get to the features you like. If we could at least re-order them, that'd allow for quicker navigation.

My final note is battery life. FitBit claims 7 days of battery life. Today is Thursday at 8:41pm. I'm at 70%. I gave it a full charge all night Tuesday into Wednesday morning. Within an hour of pulling it off the charger it was down by 5%. At the current rate, it'll likely be dead by Sunday which is closer to 4 days. Keep in mind, since I charged it fully, I have NOT exercised. It's quarantine and I'm lazy. I can imagine the battery would only last 2-3 days with moderate to heavy frequent exercise.

That's my review. Don't got much else to say. It's a decent watch, but I'd wait for it to go on sale.

252 people found this helpful

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Jonathan Arrazola

Wont turn on during set up.

Reviewed in the United States on April 18, 2020

Color: Black/BlackEdition: RegularVerified Purchase

I finally received my Fitbit and unfortunately it just has a black screen. I followed all directions, which is charging it and pairing it up to my phone. But as it was paring, the screen just turned black and when my phone tries to finish the set up and asks me for a 4 number pin, I can't type them in because I can't see them. I tried a reset by placing the fitbit on a charger, and nothing happened. There is a vibration when I press the button, but nothing more. I really needed this to work by tomorrow and now this happens. It's a great disappointment.

135 people found this helpful

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rebecca

well this is disappointing

Reviewed in the United States on April 20, 2020

Color: Black/BlackEdition: RegularVerified Purchase

So just like another review on here ... my fitbit will not turn on during the setup ... it will slightly vibrate when I press the side button but the screen will not turn on at all. So disappointed ... will try more but I think I will be returning it tomorrow 😥🥺 Update!!! I got it working and now it seems to be good ... steps are accurate and also the GPS is great. Originally marked it as a 1 star but bumped it up to 3 since it is working well now.

103 people found this helpful

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Amazon Customer

MASSIVELY dissappointed by the battery life.

Reviewed in the United Kingdom on April 19, 2020

Color: Black/BlackEdition: RegularVerified Purchase

A single 10k run (c. 1 hour 20 minutes, incl. warm up and cool down) took the battery from 60% to 9%

Absolutely no chance of using this to track a half marathon, then...

96 people found this helpful

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Julian Schofield

Nice upgrade from Charge 2

Reviewed in the United Kingdom on April 18, 2020

Color: Black/BlackEdition: RegularVerified Purchase

Got this for fact was waterproof and had built in GPS.

Initial set up frustrating appeared to be stuck on set up screen, but what I realised was to return to home screen, (watch face) you need to gently hold either side of the screen – this is also the key for everything else – if you are in one of the menus just hold both sides of the screen and you go back one level in the menu – finally getting back to the main screen

Easy setup, multiple display options, easy to use, GPS appears to be as accurate as apps such as ‘Map My Walk’ using the phones GPS

If using the auto detect activity the GPS does not activate, (so if you want a map, which is why I got it), you do need to manually select the activity you are doing

Display easy to read, depending on watch face and your eyesight, even in sunlight, rapid menus and intuitive once you get over the initial ‘how do I get back to the watch face’ GENTLY HOLD BOTH SIDES OF THE SCREEN.
Battery after two days is down to 56%, but that is probably down to me playing with it constantly finding all the bits and pieces it can do.

Overall delighted with it, (so much so just bought the wife one as well)

Nice neat device, has extra apps, including the contactless payment which was a doddle to set up, that I may or may not use in the future but does everything I hoped and would recommend

Have now had the charge 4 for a few weeks, still delighted with it, but have noticed a couple of things, if using the GPS for long periods (like a 4 hour walk), this does seem to drain the battery quickly and needs charging every couple of days

Also a couple of times after starting the exercise going the tracking has switched off, but I think this was due to me having the strap too tight so when putting my hand into a press up position, I was touching both sides of the screen, and it was going back to main screen.

74 people found this helpful

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K. A. Davie

No Spotify but good upgrade to charge 2

Reviewed in the United Kingdom on April 18, 2020

Color: Rosewood/RosewoodEdition: RegularVerified Purchase

Really great upgrade to now have GPS and warerproof but very annoyed that it’s mis sold as it doesn’t yet have Spotify which is essentially false advertising, will be reporting this.

57 people found this helpful

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iaietta

Disappointed

Reviewed in the United Kingdom on April 18, 2020

Color: Black/BlackEdition: RegularVerified Purchase

My Charge 3 left me stranded so I thought to choose the upgrade. Not what I was expecting.

I put it in the dock, seemed to work. Once unplugged and connected, the device died. I tried to charge it again, no response. Gave it a few hours before returning it. I guess it is a new product and that these are teething problems or perhaps I had particularly bad luck. Got another Charge 3 for the time being.

50 people found this helpful

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Murphy

Android OS 7,0

Reviewed in Germany on April 17, 2020

Color: Black/BlackEdition: RegularVerified Purchase

Voller Begeisterung habe ich (Besitzer der Charge 2 und eigentlich sehr zufrieden) mir die Charge 4 gekauft, denn endlich gabs hier die 2 Dinge, die ich bei meiner Charge 2 bis jetzt vermisst habe: GPS im Tracker und eine gewisse Wasserdichtheit. Als der Tracker ankam, wollte ich sofort loslegen. Bedienungsanleitung war nicht in der Verpackung, aber der Hinweis, dass ich über die App in meinem Smartphone den Tracker hinzufügen soll und dort durch das Menü geführt werde. Also startete ich meine App und - tja, die erkannte, dass ein neuer Tracker in der Nähe ist, aber - mein Handy hat leider nur Android 6.1. Und somit konnte ich den Tracker nicht installieren, nicht ausprobieren, denn der Tracker braucht mindestens Android OS 7,0. Tja, jetzt habe ich die Hardware, aber nicht die Software. Zu blöd, dass man das erst rausfindet, wenn man den Tracker zuhause hat. Also zur Warnung an alle: Erst mal checken, ob das Betriebssystem auf dem Handy passt. Wäre ja zu schön gewesen, wenn das schon vorher in der Werbung für den Charge 4 irgendwo gestanden hätte. Ach ja, und die Armbänder, die ich mir zum wechseln gekauft hatte, können natürlich auch nicht angebracht werden. Vielen Dank auch dafür.

81 people found this helpful

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Mr. Robert J. Nash

Not all the functions out of the box.

Reviewed in the United Kingdom on April 22, 2020

Color: Black/Granite ReflectiveEdition: Special EditionVerified Purchase

I bought the Charged 4 features based on the advertising; Payments, Active Minutes, Spotify and Sleep.
However, on receiving these functions were not present. I have to wait for a firmware update. What is really annoying there is no date on when the firmware is going to be released in the UK.

Based on this I'm going to toss a coin to see whether or not to send it back. Paying £150 for a tracker with the most useful features, in my opinion, disabled is frustrating. The only saving grace will be the GPS.

Following on from my annoyance the Fitbit has been updated to add all functionality. GPS function drains the battery but is fairly accurate. However, it takes time to synchronise so you need to ensure it has before starting out.

39 people found this helpful

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Mr Angelo Bonandi

Payment option

Reviewed in the United Kingdom on April 18, 2020

Color: Black/Granite ReflectiveEdition: Special EditionVerified Purchase

Great product, please note the payment option on Fitbit is limeted to very few banks in the UK. I would advise checking the list of banks it support, if it something you really want.

39 people found this helpful

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J. Burkhardt

Kinderkrankheiten

Reviewed in Germany on April 23, 2020

Color: Black/BlackEdition: RegularVerified Purchase

Nachdem ich nun mehr als 2 Jahre mit dem Charge 2 zufrieden war wollte ich auf ein neues Modell mit GPS und besserer Wasserdichtigkeit umsteigen. Gleich das erste Gerät liess sich auch mit allen Tricks und der Hilfe des Fibit Supports nicht koppeln.
Ersatzgerät kam zügig und das ging auch.
Heute der erste Test, Laufen mit GPS. Hat 300m gedauert bis ich eine GPS Verbindung hatte. Danach noch weiter GPS getestet. Scheint nicht besonders stabil zu sein. Gerät zeigt "verbunden" - Verbindung weg. An und aus. Mal sehen ob das so bleibt. Vergeblich suche ich bisher die Möglichkeit GPS des Smartphones zu nutzen. Da die eingebaute GPS Funktion das Gerät schneller leer saugt als man Marathon sagen kann, wäre es ja bei z.B. Wanderungen nett GPS über das Telefon zu nutzen. Scheint nicht zu gehen.
Kurz danach liess es sich nicht mehr mit dem Smart Phone koppeln. Erst ein Neustart hat geholfen.
Nach den ersten zwei Nächten keine Anzeige der Sauerstoffabweichung. Das Diagramm ist leer.
Ich werde das jetzt mal die nächsten Tage beobachten. Wenn das nicht besser wird und noch mehr Kinderkrankheiten auftauchen geht das Gerät zurück und ich bleibe beim Charge 2.
Momentan fühle ich mich eher wie ein Betatester als wie ein zufriedener Kunde.

55 people found this helpful

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Marco

the perfect Smartwatch

Reviewed in the United Kingdom on April 17, 2020

Color: Black/BlackEdition: RegularVerified Purchase

II have bought this for my partner and she couldn't be more excited. with the integrated GPS when you go for a run or any other activities there is no more need to carry your smartphone with you.
The free FITBIT app is really user friendly and exhaustive at the same time as many different stats are provided (heart rate beat, sleep quality, calories burnt, oxygen levels etc...)

Last but not least, the watch design is really cool and it also not too big and heavy.

Thanks FITBIT!

30 people found this helpful

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Mr Craig Taylor

Don't buy these, they haven't been tested and aren't robust...

Reviewed in the United Kingdom on April 29, 2020

Color: Rosewood/RosewoodEdition: RegularVerified Purchase

I bought my first FitBit and at first, the screen wouldn't respond so couldn't be connected. I left it for a day and hey presto, it came to life. However, the strap then broke and it fell off my wrist whilst cycling and was smashed.
So, I order a new one and same again, the screen won't respond so can't be paired. Maybe I'll leave it another day again.
Either way, they just haven't been tested properly and aren't robust if they won't stay on your wrist!

30 people found this helpful

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Geoffrey m Weeks

1.5 days from one battery charge

Reviewed in the United Kingdom on April 19, 2020

Color: Black/BlackEdition: RegularVerified Purchase

Had it 4 days. I use it for mountain biking and walking. Dissapointed with the battery I'm getting 1.5 days on a single charge ran out today mid ride. Besides that I'm happy with all the features.

31 people found this helpful

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Alastair

Charge 4 from Charge 3, a good step up

Reviewed in the United Kingdom on May 3, 2020

Color: Black/BlackEdition: RegularVerified Purchase

I've been a Fitbit user for a number of years, originally having the Flex 2 and most recently the Charge 3.

I found, as others had on the internet, that my Charge 3 was becoming increasingly frustrating and pretty useless when calculating my running and cycling distances. Growing ever frustrated, I switched to the Charge 4 on hearing Fitbit had introduced an in-built GPS, in the hope of having relatively accurate data.

On these grounds, I am not disappointed. The GPS is really very good, particularly for what you pay. Having tested in on a number of different runs and cycles, predominately in woodland, I've found that it's very accurate (particularly in comparison to the Charge 3).

I'm not so bothered about the Spotify or pay features (if you're UK-based), which I know others are grumbling about. In my opinion, if you want these sorts of features, you should look for a smartwatch. I find these sorts pretty gimmicky / useless if you're looking for a fitness tracker which isn't designed to be a smartwatch.

I've also not had the technical issues which some seem to have.

The battery is definitely nowhere near as good as the Charge 3. I suspect this is because of the GPS - which they DO advertise. I've noticed I'm having to plug in my Charge 4 twice at least twice as frequently as the Charge 3 (going for at least 3 runs and 2 cycles with GPS per week). This can be a little jarring if you're used to the battery of a Charge 3, but considering the size of the device with GPS running, I think people are being too harsh on the battery life.

All-in-all, I'm pleased with the device. Fundamentally, it's not going to let you run or cycle for 4+ hours using GPS (particularly in GPS challenging scenarios). If this is a problem for you, look elsewhere, but be aware you're not going to find a device which is as slim and powerful. I'd recommend this device if you're looking for a slimline activity tracker which is GPS enabled, it reads your heart-rate, has a sleep-tracker and connects to a clever app. The price and quality seem to be near-unrivalled in the field, so I really do think there have been some overly strong criticisms of this device.

26 people found this helpful

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tom besford

GET A CHARGE 3 INSTEAD

Reviewed in the United Kingdom on May 6, 2020

Color: Black/BlackEdition: RegularVerified Purchase

I ordered a Charge 4, thinking it would be better than a Charge 3. It’s not for one vital reason:

Charge 4 has an in built GPS. This seems like a good thing but it’s not. Using the GPS runs the battery down very quickly - it can’t handle a big hike or bike ride and drains fully on even medium runs. You can’t run a marathon.

There is no option to connect this to your phone GPS.

So either you don’t have GPS enabled or you can only use this device for short workouts and will need to charge the device every day.

The Charge 3 allows you to connect to your phone GPS and so has a longer battery life and can handle everything.

You don’t need the new Spotify or pay functions, especially if you’re carrying your phone with you anyway.

Save the money and buy a Charge 3.

16 people found this helpful

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lady S

disaappointing battery life but does what it says

Reviewed in the United Kingdom on May 16, 2020

Color: Rosewood/RosewoodEdition: RegularVerified Purchase

I have previously had a Fitbit Blaze, but I was disappointed with its battery life and eventually the battery stopped holding charge, so I was interested to see how the new Fitbit Charge 4 compared. Overall, I would say it is an improvement in most areas (although some are not as good as the Blaze)! It keeps its charge much better (although it is new) and is good for day to day wear but the battery life with GPS is disappointing. It is supposed to be up to 7 days normal wear and 5 hours GPS. It all depends on how active you are. I probably get 4 days normal (but I work outdoors and rack up 10,000 steps by 10am!) for GPS I would say make sure its fully charged first and you might make 5 hours.
To begin with it was not straight forward to set up and like all fitbits it is not good if your internet bandwidth is low especially as all support is online! There is no way to manually set the time (which I have found an issue when travelling through different time zones in the past)
It took a while to get the charger working (no smiley face) initially but I think it is just because the battery was so low to start with.
The charging cable is uselessly short especially as a lot of the set up needs to be done whilst plugged in which resulted in my crouched on the floor under the side table! The charger is a much better design than previous models as you do not have to remove the strap and it has a clip to lock the watch into place, which is great once you get it working!
Over the course of the first week there were daily firmware updates which were a bit annoying but I do now have the advertised functions ( I didn’t use Spotify, payment or any of the premium features and I did miss being able to control the music stored on my phone ( I am old fashioned that way)).
The itself strap comes with 2 alternative sizes which is useful but only one has the band to keep the free end in which is a bit of an oversight. the strap itself is very plastic-y and not very comfortable. A softer silicone material would be nicer, but I suspect this will be more hardwearing. The strap attachment mechanism is much stronger than previous models.
The display is black and white and it is very difficult to read in direct sunlight especially as the default display time is so low (the auto hibernate kicks in after about 5 secs which isn’t enough time for my eyes to adjust to the display) and there is no always on option or ability to delay the auto hibernate. The wake action of raising your wrist needs to be done quite firmly and often fails. (It was a pain when trying to take the photo!

The screen itself is an ok size and the swipe/ button functionality take a bit to get used to. I found all the buzzing a little annoying and difficult to stop an activity once it was in progress as it would keep going through a loop of pausing then telling me to press to finish but when I did I got the DND/sleep mode options. I think it just takes a bit of getting used to.

So on to some of the functionality...

Workouts
The fitbit has inbuilt GPS so there is no need to take your phone and do not get the same connectivity loss. It auto detects workouts and you can track six activities on the device, but you can edit in the app/dashboard for example I can change the outdoor activity to horseback riding but it didn’t do anything to modify the stats which would have been nice. If you do autodetect though GPS is not turned on, so you won’t get a map. Various activities log different data but I was quite happy with the heartrate zones, energy burned distance & elevation. GPS does drain the battery
As well as counting steps you record Active Zone Minutes which basically ranks your activity so that a higher intensity workout in the cardio heart rate zone is worth double a lower intensity work out with heart rate in the fat burning zone. It has a daily target of 22 an average of 7 days divided by 150 minutes of weekly exercise. You can customize all your targets in the app.

Sleep & O2- Fitbit gives you an overall score for your sleep, showing awake, light REM and deep sleep periods. I tend to find the less deep sleep I get the more tired I am, and it all seems to be at the start of the night! It estimated my O2 fluctuations, but I am not sure for me this is especially useful, I think the just like to play with the sensor!

Female tracking and food and water intake I just can’t be bothered with as its too much data input for me and my fluid comes not just from water! I did try to use it to log alcohol consumption though as it made me think about how much and when!

Notifications can be enabled for calls and text messages, calendar updates but not WhatsApp messages ????

Overall it does what it says on the tin and has a reasonably easy interface. Battery life and screen needs improvement but am I happy? YES!

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Jonas Schaller

Nützliches Gerät mit einigen Fehlern | Preis zu hoch

Reviewed in Germany on April 15, 2020

Color: Black/BlackEdition: RegularVerified Purchase

Der charge 4 ist wirklich erstklassig Verarbeitet und kommt gleich mit 2 Armbändern falls eines zuklein ist, was ich für sehr sinnvoll halte. Beim einrichten trat bei mir erstmal ein Fehler auf, der Bildschirm war dauerhaft Schwarz und lies sich nicht neustarten, doch der kompetente Kundensupport half mir direkt weiter. Der Charge 4 hat einige coole Funktionen dich auch ein paar Mankos. Der Schrittezähler funktioniert einwandfrei und generiert nach meinen Tests keine fake Schritte, hingegen funktioniert der höhenmesser weniger Gut. Beim joggen auf einer geraden Strecke bekam standen bei mir danach +18 Stockwerke. Für alle die in Deutschland Fitbitpay ohne Kreditkarte nutzen wollen muss ich euch entteuschen, deutsche Banken gehen nicht. Kreditkarten habe ich nicht getestet. Das Fitbit Spotify addon lässt sich auf dem Charge 4 noch nicht bedienen. Bei den 7 Tagen akku bin ich mir auch noch unschlüssig, nach einer benutzung des Gerätes von 4 Stunden hat das Gerät nurnoch 75% Akku (ich hatte beim Test nur 3 mal mich per Bluetooth mit dem Gerät verbunden um die Daten in der App zu aktualisieren)

Im großen und ganzen ein cooles und doch auch nützliches Gerät aber für den jetzigen Preis und die vielen Mankos wie die nicht funktionierende Bezahlfunktion nur 3 Sterne.

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Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)

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