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If you have the Fitbit app you should be good to go.
Sorry, there was a problem. Please try again later.Fitbit Charge 3. It uses an app. I think that as long as u have the app, it should work on ur macbook. And as long as ur macbook has bluetooth enabled for the device to sync with. I have used the device to go into gym without my phone, and as soon as I get back to my phone, it will sync the data. But having a phone with the app would be preferable as u can see right away what u've done.
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