JBL Flip 4 Bluetooth speaker gets improved sound, full waterproofing - CNET
JBL Flip 4 | Portable Bluetooth Speakers | JBL US
Ryans Computers Ltd. - JBL Flip 4 Waterproof Portable Bluetooth Speaker ✓IPX7 Waterproof ✓12 hours of playtime ✓Voice assistant integrated-works with Google & Siri ✓Wirelessly connect up to 2 smartphones or tablets
JBL Flip 4 Waterproof Bluetooth speaker review - The Gadgeteer