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Your unit will track your activity without your phone anywhere near you. You need the phone or computer to sync to get your data on the server. The unit will keep stats for about a week and then will begin to overwrite the oldest data if you don't sync by then.
Warren | Cincinnati, OH
Versa Lite, Ionic, Charge3, Inspire HR, Blaze(retired), Alta( retired),- Pixel 3
Take a look at the Fitbit help site for further assistance and information.
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