EarFun Go Bluetooth Speaker review: Affordable with decent sound
JBL Charge 4 Manual
User manual JBL Charge Essential (English - 20 pages)
JBL Charge 4 Portable Bluetooth Speaker Gray Stone JBLCHARGE4GRYAM - Best Buy
How to Charge JBL Charge 4 - YouTube
User manual JBL Charge 4 (English - 2 pages)
JBL Flip 4 / 4A Bluetooth Speaker Manual
SL Shop - Key Info: Bluetooth connectivity, Listen for up to 20 hours without recharging, Waterproof speaker. Inside Box: JBL Charge 4 Portable Bluetooth Speaker, USB Type-C cable, User manual Weight: 0.965