Highlights: Includes 1 year of Fitbit Premium trial (new Premium users) 24/7 heart rate, resting heart rate & Active Zone Minutes All-day activity tracking, Sleep tracking & Sleep Score Exercise modes, swim proof (water resistant to 50 meters) Notifications & app alerts, up to 10-day battery life
Syncs to most phones using the Fitbit App. iOS and Android Google Fast Pair, makes it easier to setup with Android devices 3-axis accelerometer Optical heart rate monitor Vibration monitor Saves 7 days of detailed motion data Time to full charge - approximately 2 hours Bluetooth 4.2 receiver Apple iOS 12.2 or higher Android 7.0 or later Water-resistant up to 50 meters Large Band Size: 7.1" to 8.7" circumference Small Band Size: 5.5" to 7.1" circumference Shipping Info Standard - 4 to 10 business days Ship Info Warranty One Year Fitbit Warranty Component country Imported
