How should we charge the case in liberty air 2 whether having the bud inside the case or not?

#1

How should we charge the case in liberty air 2 whether having the bud inside the case or not ?

#2

Your option… If you are listening to music, and charge the case, you will have 21 hours (give or take in the case). If they are in the case, I think it will charge the earbuds first and then the case.