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Get started
Elevate your day with Fitbit Model FB523, the premium health and fitness watch with built-in fitness
features, tiles, and more. Take a moment to review our complete safety information at
fitbit.com/safety.
What's in the box
Your Model FB523 box includes:
Watch with small wristband
(color and material varies)
Additional large wristband
The detachable wristbands on Model FB523 come in a variety of colors and materials, sold separately.
Set up Model FB523
For the best experience, use the Fitbit app for iPhones and iPads or Android phones.
To create a Fitbit account, you're prompted to enter your birthdate, height, weight, and sex to calculate
your stride length and to estimate distance, basal metabolic rate, and calorie burn. After you set up your
account, your first name, last initial, and profile picture are visible to all other Fitbit users. You have the
option to share other information, but most of the information you provide to create an account is
private by default.
Charge your watch
A fully-charged Model FB523 has a battery life of 6+ days. Battery life and charge cycles vary with use
and other factors; actual results will vary.
To charge Model FB523:
1. Plug the charging cable into the USB port on your computer, or a UL-certified USB wall charger, or
another low-energy charging device.
2. Attach Model FB523 to the charging cradle. The cable comes out the opposite side of the button.
The percent charged appears on screen.
While the watch charges, tap the screen twice to turn the screen on and check the battery level. Tap
again to use Model FB523.
Set up with your phone or tablet
Set up Model FB523 with the Fitbit app for iPhones and iPads or Android phones. The Fitbit app is
compatible with most popular phones and tablets. For more information, see fitbit.com/devices.