Classic band (small & large)
Battery & Power
Battery life of up to 5 days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. We recommend charging your tracker every few days to ensure you are always tracking.
Battery type: Lithium-polymer
Charge time (0-100%): Two hours
Radio transceiver: Bluetooth®
The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:
Apple iOS 13.3 or higher.
Android OS 8.0 or higher. See additional tips for Android phones and here.
Syncing range: Up to 9m
Certain features like smartphone notifications may require Android 7.0+. Check your device compatibility.
Syncing requires Bluetooth® LE and internet connection.
Syncs with Mac OS X 12.2 and up, iPhone 5S and later, Android 7.0 and later.
Water-resistant to 50m. After 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