HELP! JBL Boombox 1 won't charge when plugged in. Flashing red light at all times then powers off. Factory reset doesn't help. I know I need to do a software update but
Amazon.com: JBL Boombox 3 Wireless Bluetooth Streaming Portable Speaker, Black - IP67 Dustproof and Waterproof, up to 24 Hours of Play Time - WEPGPY Cable
User manual JBL Boombox (English - 24 pages)
JBL Boombox 2 Portable Bluetooth Speaker - THE TECH BAR STORE