How to Factory Reset and Troubleshoot JBL Charge 3 & 4 Audio Bluetooth Speakers - YouTube
JBL Charge 3 Firmware Update Instructions - Tom's Tek Stop
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
JBL Charge 2+ | Full-featured splashproof portable speaker with high-capacity battery to charge your devices
JBL Charge 5 Portable Speaker | REI Co-op
JBL Charge 5 Firmware Update Instructions - Tom's Tek Stop