JBL Charge 4 review: Worth the money, kind of - SoundGuys
jbl charge 4) the speaker doesn't make any sound not even the little on/off chime. i tried connecting via aux and it still didn't work. also, the battery life indicator is on
How to Factory Reset JBL Charge 4 Bluetooth Speaker - YouTube
How to do a hard reset on JBL Charge 3? - HardReset.info