How can I sync to Strava /Apple Health/Google Fit/Relive?

You can download Zepp app to pair and connect the watch. In Zepp app, the watch data can be synced to Strava /Apple Health/Google Fit/Relive.
1. Log in Zepp app
2. Tap Add accounts in Profile page and choose Strava /Apple Health/Google Fit/Relive to add