JBL Flip 4 Waterproof Portable Bluetooth Speaker - https://amzn.to/3ceZzff Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound | Facebook
JBL Flip 4 Infinity Button Explained - Tom's Tek Stop
Case for JBL Flip 4 or JBL Flip 3 Bluetooth Portable Stereo Speaker with Soft Silicone Cover 2 Pack (Box Only)|Storage Bags| - AliExpress