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Fitbit

Fitbit Charge 4 Black Advanced Fitness Tracker

  • Based on 5,137 reviews
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Availability: Only 1 left in stock, order soon!
Fulfilled by TechStation
Arrives Friday, Sep 25
Order within 15 hours and 13 minutes
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Size: 1.65 in x 4.06 in x 8.86 in


Color: Black


Band Color: black


Features

  • Measures Calories Burned And Heart Rate
  • Comprehensive Monitoring
  • Sleep Tracking
  • Built-in GPS

Description

Fitbit Charge 4 Fitness TrackerWith 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, a new exercise mode and sleep tracking. Plus, with Fitbit Pay and up to 7-day battery, you get more convenience on the go and more inspiration to reach your fitness goals.Water resistant to 50M.​ ​Battery life varies with use and other factors;​ up to 5 hours with continuous GPS.Product Features:24/7 HEART RATE - Use 24/7 heart rate to better track calorie burn, optimize workouts and uncover health trends that inspire you to make moves on your health and fitness goals.RESTING HEART RATE - Wear Fitbit Charge 4 all day and night to record and reveal your resting heart rate, track heart rate trends over time, and follow your health and fitness progress.HEART RATE ZONES - Now heart rate zones are personalized based on your age and resting heart rate, so when you’re exercising you get a more accurate understanding of how hard your body’s working.WORKOUT INTENSITY MAP - IN APP ONLY - After outdoor exercise, check your workout intensity map in the Fitbit app to see your heart rate zones throughout your route and learn where you put in the most effort.ACTIVE ZONE MINUTES - With new Active Zone Minutes, your tracker buzzes when you reach your target heart rate zones during exercise, and celebrates when you earn extra minutes outside of exercise.

Operating System: Android


Memory Storage Capacity: 6400 MB


Special Feature: Heart Rate Monitor, Sleep Monitor, GPS, Calorie Tracker, Daily Workout Memory


Connectivity Technology: Bluetooth, NFC


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Ion


GPS: Built-in GPS


Shape: Rectangular


Screen Size: 1.5 inches


Brand: Fitbit


Operating System: Android


Additional Features: Heart Rate Monitor, Sleep Monitor, GPS, Calorie Tracker, Daily Workout Memory


GPS Geotagging Functionality: Built-in GPS


Band Material Type: Silicone


Case Material Type: Resin


Water Resistance Level: Water Resistant


Sport Type: Fitness


Human Interface Input: Touchscreen


Clasp Type: Buckle


Supported Application: Calendar, GPS, Sleep Monitor


Water Resistance Depth: 50 meters


Supported Satellite Navigation System: GPS


Controller Type: Android


Metrics Measured: GPS,Optical Heart Rate Sensor


Battery Cell Type: Lithium Ion


Connectivity Technology: Bluetooth, NFC


Wireless Compability: Bluetooth


Wireless Provider: du


Communication Feature: True


Compatible Devices: Smartphone


Compatible Phone Models: android smartphones


Memory Storage Capacity: 6400 MB


Warranty Type: Limited


Waterproof Rating: IPX8


Brand: Fitbit


Model Name: charge 4


Target Audience: Unisex Adults


Age Range Description: Adult


Model Number: FB417BKBK


Built-In Media: Fitbit Charge 4, Classic wristbands (both small & large), Charging cable


Wearable Computer Type: Activity Tracker


Manufacturer: Fitbit


Shape: Rectangular


Style Name: Classic


Color: Black


Band Color: black


Screen Size: 1.5 inches


Display Type: LED


Resolution: 240 x 280


Band Width: 22 millimeters


Item Weight: 0.03 kg


Item Dimensions: 1.65 x 4.06 x 8.86 inches


Item Dimensions D x W x H: 0.89"D x 0.89"W x 0.89"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Sep 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

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Similar Products

Top Amazon Reviews

    • Helps with overall health.
My second one. Works perfectly. Everything I want it provides.
Reviewed in the United States on December 3, 2025 by Amazon Customer
    • Inaccurate in every way
I work in a hospital and have access to a ton of devices that accurately measure heart rate, in addition to simply counting my HR with a stopwatch. Upon comparison Charge4 is off by 15 to 20% about most of the time and has inexpiable spikes that claim my HR is 200% or more higher than it actually is that last minutes at a time. The pedometer picks up normal hand movements as steps. After spending 6 hours on the couch and only getting up 3 times it claims I have gone up 9 flights of stairs and walked over 7000 steps equaling over 3 miles. Even rotating your wrist to get the display to turn on can sometime count up multiple steps. The health metrics in the app are largely based upon heart rate and steps taken. When both of these are wildly inaccurate it cannot give you a clear picture of even the number of calories you have burned in a day much less anything more in depth. The sleep metrics are a cute idea but largely anecdotal and not really useful as the advice they foster from the app are the exact same suggestions you would tell every single person in the world regardless of their specifics as to what will give them the best sleep. Keep a regular bedtime, don't work out right before bedtime, etc... The never-on-when-you-need-it display that is invisible in sunlight is not a big selling point either. And the cherry on top? Tech support's only suggestion was to try restarting the watch followed by absolute silence and zero help or suggestions. This thing fails spectacularly. ... show more
Reviewed in the United States on July 11, 2021 by Nick B
    • Plastic pegs snap off, Band doesn’t stay on after awhile
I love Fitbits- have had two now and like the functionality of the app. I didn’t use mine for texting but was happy with the heart rate monitoring and step counting. However, after about 8 months, the plastic pegs that hold the bands on snapped off. This is the second time it has happened. First time, I bought the Fitbit at Costco and they gave me a full refund. I decided to take a leap of faith and order the same one here on Amazon (Costco was out of this version) and I liked how slender it was. Figured it was a fluke the first time, but it happened again. I contacted Fitbit customer service through the Fitbit app, and they replaced the part with a new watch face in a matter of a couple of days. I’m so happy with the quality and speed of the service and the watch face seems improved to the last one. Happy to still use my Fitbit! ... show more
Reviewed in the United States on April 19, 2022 by Stephanie Becher
    • So close to greatness… critical flaw
So features wise, this was an awesome Fitbit. Note the “was”… I’ve had two. There is a design flaw in how the bands connect to the bit. The first one I bought lasted quite a while (maybe 3years?) and finally the plastic “anchor” that you attach the band two sheered off at the base, making it impossible to replace, glue, etc and thus you can’t attach the band. The second fitbit lasted less than two months. Same break. Horribly disappointing. I loved this product but I can’t afford to spend that much money for it to break I a critical way. I have 2 working charge 4 bits I can’t use. Wish they’d thought about the design issue. ... show more
Reviewed in the United States on December 6, 2025 by S
    • Works perfectly
This is one of fitbit's best products and the only thing you need to know is the band where it attaches to the watch body is plastic and will break within a year or two. You have to decide if the cost is worth it knowing the watch will break and be unreparable within 2 years.
Reviewed in the United States on March 15, 2023 by Milo Tindle
    • Form factor (rectangular) and e-paper display. PLEASE extend the product life of this model!!
The Fitbit Charge series is a favorite among fitness watches. Why? It's the form factor (shape). For me and other repeat buyers, a round shape is "old timey." A second powerful reason is that many of us LIKE the e-paper display - crisp white or gray-scale characters create a uniquely attractive presentation. Dense color displays are "eye candy" and a turn-off to many. It's unfortunate that it appears the Charge 4 is the last of the e-paper displays - a shame and, to me, a marketing decision which I hope Fitbit's parent company reconsiders. df ... show more
Reviewed in the United States on February 14, 2025 by David Frye
    • Do not buy FITBITs - 3 defective units in 1 month/Black screens/broken band attachment on Charge 4's
This should be a zero stars. Do not buy FITBIT's! Same experience as others with black screen on the two recent Charge 4 purchases and broken plastic piece on side of unit to attach band. Three defective units in a month. Band attachment piece broke and 2 replacements with black screen issue. Tried resets on both (per Google forums) that did not work. Apparently, Google has discontinued the FITBIT's in favor of their Pixel product. Like Waze, Google has ruined a perfectly good and well functioning product. ... show more
Reviewed in the United States on April 9, 2025 by Boxranger
    • Love my Fitbit!
I have had 2 previous Charge 4 fitbits and liked them. They didn't always count the steps you did. This one counts each of your steps precisely. This is the best one I have had.
Reviewed in the United States on July 14, 2024 by Lynn Mc

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