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Check with your manufacturer’s device guide or their support website to check that they can sync data to Google Fit. If they do, follow their instructions to enable syncing of data between your wearable, the wearable’s app or it’s service and the Google Fit service/app.
If your wearable device is not compatible with Google Fit service/app, you can input manual data into the Converge App.
Enable syncing between the Converge International App and Google Fit
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