NewPower99 Battery Replacement Kit (Compatible with JBL Flip 4) Speaker with Tools, Video Instructions and Extended Life Battery. : Amazon.ca: Electronics
JBL Flip 4 / 4A Bluetooth Speaker Manual
JBL Flip 4 / 4A Bluetooth Speaker Manual
JBL Flip 4 User Manual (Bluetooth Speaker) - Manuals+ | PDF | Bluetooth | Transmitter
How to Use a JBL Flip 4 Wireless Speaker - Support.com TechSolutions