So i was watching a teardown of a charge 5 and saw that there are screws that need to be unscrewed in order for the ,,skin'' of the speaker to come off,
Reverse-engineering JBL flip 4 | Hackaday.io
Reverse-engineering JBL flip 4 | Hackaday.io
Batería 3.7V 6500mAh batería GSP1029102A para carga JBL 3 + herramienta de desmontaje | eBay