Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS - Rosewood - Open Box

Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS

Move forward with a health & fitness tracker that packs built-in GPS for pace and distance, 24/7 heart rate tracking and more into a comfortable wristband.

Picture the Path to Your Goals

Leave your phone behind, explore the outdoors with pace and distance on your Tracker, and see a workout intensity map showing your route and effort in the app when you’re done.

24/7 Heart Rate Tracking

Know Your Heart to Map Your Journey

Using Our Most Advanced heart rate sensors, Charge four tracks all day calorie burn, Real time heart rate zones and active zone minutes so you can truly understand Your Body.

Push Yourself Further 

There's no limit to how far you can go with 20+ goal-based exercise modes, auto-exercise tracking and reminders to move on the swim proof Charge 4.

Sleep Better To Live Better

Build better bedtime habits when you use Sleep Score with the Fitbit app, sleep tracking with light, deep and REM sleep stages and more.

Music Motivation

Play your favorite songs and playlists with Spotify app controls on your wrist.

Gain Insights, Get Inspired

Set goals, track progress and get a more complete picture of your health and fitness all on your dashboard in the Fitbit app.

Active Zone Minutes

10,000 steps a day encouraged you to get moving, and now Active Zone Minutes is helping you optimize those movements. By tracking time spent in re, specific heart rate zones, Active Zone Minutes helps you work out smarter and more efficiently.

Specifications:

Sensors & Components:

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

Battery & Power:

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.

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

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:

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:

Fits wrist 5.5" - 7.1" in circumference
Fits wrist 140 mm - 180 mm in circumference
Large
Fits wrist 7.1" - 8.7" in circumference
Fits wrist 180 mm - 220 mm in circumference

Dimensions:

1.4in l x 0.9in w x 0.5in h
35.8mm l x 22.7mm w x 12.5mm h