JBL Charge 4 - Portable Bluetooth Speaker with built-in powerbank
JBL Charge 4 Review - RTINGS.com
JBL Charge 4 Portable Waterproof Wireless Bluetooth Speaker - Black - Walmart.com
JBL Charge 4 review: Worth the money, kind of - SoundGuys
Jbl, Charge 4, Charge 4blk replacement battery
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