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Charge 4

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Part Number:FB417

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Overview
Specifications

Customer Reviews

Get real-time workout metrics with this rosewood Fitbit Charge 4 activity tracker. The rechargeable battery offers up to 7 days of use on a single charge, while the elastomer band creates a secure fit, letting you tackle daily activities worry-free. This Fitbit Charge 4 activity tracker has an intuitive touchscreen for seamless operation, and the swimproof design increases durability.

Measures calories burned and heart rate

To help you monitor multiple fitness activities.

Comprehensive monitoring

Tracks time, activity, sleep activity, pace and sleep stages.

Sleep tracking

Track sleep stages and review your in-app Sleep Score for an easy way to see how well you slept.

Backlit LED display

For easy viewing in low-light conditions.

Fitbit Pay

Allows to make secure purchases at transit stations, retail stores and more.

Active Zone Minutes

Alerts you to which heart rate zone you're in so you can see if you're working hard enough to reach your goals.

Built-in GPS

Allows to see your pace and distance on screen during outdoor runs, rides, hikes and more.

Water-resistant design

Lets you log pool workouts.

Syncs to select Apple® and Android devices

Such as iPhone®, iPad®, iPod® touch and cell phones and tablets with Android for simple wireless communication.

Rechargeable battery

Lasts up to 7 days and up to 5 hours when continuously using built-in GPS.

*Distance/speed/pace can only be shared on 3G or 4G devices.

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What's included:

Fitbit Charge 4
Classic wristbands (both small & large)
Charging cable

What’s included in special edition Charge 4

Fitbit Charge 4
Woven reflective band (both small & large)
Classic wristband (both small & large)
Charging cable

Sensors & Components

3-axis accelerometer
Optical heart rate monitor
GPS
Vibration motor
NFC
Altimeter

Battery & Power

Battery life up to 7 days, or up to 5 hours with continuous GPS use. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. We recommend charging every few days to ensure you’re always tracking.

Battery type: Lithium-polymer
Charge time (0-100%): Two hours
Radio transceiver: Bluetooth 4.0

Memory

Saves 7 days of detailed motion and heart rate data, minute by minute
Saves daily totals for past 30 days
Measures heart rate data at 1-second intervals during exercise tracking and at 5-second intervals all other times

Water Resistance

Water resistant to 50 meters. After swimming or getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry. We do not recommend wearing Fitbit Charge 4™ in a hot tub or sauna. Learn more.

Care

Give your wrist a rest by taking the band off every now and then. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Learn more.

Materials

This tracker includes a plastic resin case and the band includes a stainless steel buckle. The classic band is made of a flexible, durable material similar to that used in many sports watches. The woven band is made from a comfortable polyester.

Heart Rate

Like all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements.

Environmental Requirements

Operating temperature: -4° to 140° F
Operating temperature: -20° to 60° C
Maximum operating altitude: 28,000 feet
Maximum operating altitude: 8,535 m

Syncing

Syncs automatically and wirelessly to most popular phones and tablets using Bluetooth LE wireless technology.

Syncing range: Up to 30 feet
Certain features like smartphone notifications may require Android 7.0+. Check your device compatibility.
Syncing to mobile devices requires Bluetooth LE and internet connection.
Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later.
Music control via Bluetooth LE on Android and iOS devices.

Band Size

Print this guide to find the right size for you. Both small and large sizes included in box.

Small