Dear customer,
We have studied your video-audio sync problem, and the following suggestions might help.
1. Go to the “Settings” and click “Recording”. After that, you can change the “Balance” mode in “Video settings” to “Performance Priority” before recording.

2. Or you can use the built-in Video Editor to adjust the audio sync after recording. To do it, you just need to click “Save” -> “Edit video”, then you will be directed to Video Editor. Click “Edit”->”Adjust”, then adjust the synchronize.

