Question: fitbit charge 3 how to track swimming?
Answer: Charge 3 & Charge 4. On your device, open the Exercise app. ...  Flex 2. Make sure automatic swim tracking is turned on. ...  Inspire HR. On your device, open the Exercise app > Swim. ...  Ionic, Versa & Versa 2. On your device, open the Exercise app > Swim. ...  Versa Lite Edition.