Fitbit Charge 3 fitness tracker

The Fitbit Charge 3 is a band based fitness tracker with a 0.8 inch monochrome touchscreen OLED display, real-time heart rate monitor, step counting, sleep tracking and calories burned.


The Fitbit Charge 3 is a band based fitness tracker with a 0.8 inch monochrome OLED display steps, sleep, and calories. It has a touchscreen display. The manufacturer claims a battery life of 7 days. It is available in small, large sizes. It has the following sensors: MEMS 3-axis accelerometer, optical heart rate monitor, altimeter. It has notifications for call, text, calendar events. It has socialization features: Share stats with friends and family. It includes inactivity alerts which remind you to move if you are sitting for a long time. It has extra features such as: guided breathing sessions, female health tracking, Included accessories: USB charging clip. Its dimensions are 0.6 x 0.4 inches (width/thickness) and it weighs 0.9 ounces.


Activity results read from device Activity results read from device Some results can be read directly from the fitness tracker without having to depend on the smartphone, tablet, or computer.
Displays time Displays time Can display the time of day on the fitness tracker.
Touch screen Touch screen An "at-wrist" display which is sensitive to finger contact.
Color display Color display A display that has color.
Display type Display type LCD, OLED, or LED.
monochrome touchscreen OLED
Backlight Backlight The display has a backlight for reading it in dimly lit conditions.
Real-time heart-rate monitor Real-time heart-rate monitor Continuously measures your heart rate.
Heart-rate monitor type Heart-rate monitor type Indicates what type of heart-rate monitor is used, if at all. The three types are stationary, active and passive. Stationary heart-rate monitors measure your pulse only at intervals you choose, mostly at rest. Active heart-rate monitors display your pulse continuously, or automatically at various intervals. Passive heart-rate monitors do not provide real-time heart rate monitoring.
Heart-rate monitor requires chest strap Heart-rate monitor requires chest strap Unlike those that have the heart-rate sensor built-in to the fitness tracker, a separate accessory worn on your chest is required.
Step counting Step counting A basic feature of fitness trackers which automatically counts the amount of steps taken during daily activities.
Inactivity alerts Inactivity alerts The fitness tracker alerts you when you've been inactive for a long period of time.
Multi-sport tracking Multi-sport tracking Provides the most accurate results from the sports that are listed such as: running, walking, swimming, biking, cardio, and cross-training workouts.
running, biking, hiking, weights, yoga
Sensor types Sensor types Sensors in the tracker detect real-world data which is translated into results like step count and heart rate measurements.
MEMS 3-axis accelerometer, optical heart-rate, altimeter
WiFi WiFi A long-range wireless communication technology that enables a fitness tracker to pair with a smartphone and with other devices within a home network or remote location via the Internet.
Music controls Music controls Controls music being played on your smartphone or directly from the device.
GPS tracking GPS tracking Connects to GPS satellites to measure distance you moved during various exercises.
OS compatibility OS compatibility List of compatible operating systems such as iOS, Android and Microsoft.
iOS, Android, Windows
App name App name The manufacturer's app that you can download and install on the smartphone, tablet, or computer. The app presents the full amount of data.
Battery life (days) Battery life As claimed by the manufacturer.
Battery removable Battery removable Shows whether the model has a removable battery.
Notifications Notifications The fitness tracker alerts you whenever your smart device receives a new text, phone call, or email, etc.
Notification types Notification types Alerts you to incoming emails, text messages, calendar reminders, and phone calls.
calls, text, calendar events
Socialization Socialization Sharing results of activities among a circle of friends. Some results include each friend's progress toward goals. Fitness milestones are celebrated with badges. Sends cheers and taunts while competing in group activities.
Socialization features Socialization features Sharing results of activities among a circle of friends. Some results include each friend's progress toward goals. Fitness milestones are celebrated with badges. Sends cheers and taunts while competing in group activities.
share stats with friends and family
Sleep tracking Sleep tracking Provides information about the quality and duration of your sleep habits.
Sleep sensing method Sleep sensing method Auto mode senses when you are sleeping. Manual mode requires you to activate a setting on the device before you go to sleep.
Floors climbed Floors climbed Estimates the number of floors that you've climbed.
Food tracking Food tracking Can log food types into the app to keep track of daily calorie consumption.
Alarm type Alarm type The device alerts you via sound or vibration.
Included accessories Included accessories Indicates what additional accessories are included.
USB charging clip
Bluetooth USB dongle Bluetooth USB dongle Includes a dongle which can be used in case your old computer lacks Bluetooth.


Type Type Fitness trackers are available in several types, such has watch, band, and clip-on. A watch type fitness tracker has a data display similar to a smartwatch. A band is also worn on the wrist but has limited or no display capability. A clip-on is worn in various locations on your body via a clip to your clothing.
Sizes Sizes The strap is available in this range of sizes.
small, large
Display size (in.) Display size The diagonal size or diameter (if round) of the active display area measured to the nearest tenth of an inch.
Dimensions (WxD) Dimensions (WxD) Dimensions of the device in inches.
0.6 x 0.4
Weight (oz.) Weight The weight in ounces of the fitness tracker.
Warranty (yrs.) Warranty The manufacturer's stated length of warranty.