heart rate tracker videos

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'Fitbit Charge 4 - Is this the GPS fitness tracker you\'ve been looking for?'
'Fitbit Charge 4 - Is this the GPS fitness tracker you\'ve been looking for?' 14:38 Jun 7, 2021
'Fitbit Alta HR: How to Charge Your Tracker'
'Fitbit Alta HR: How to Charge Your Tracker' 00:46 Mar 2, 2021