Can a JBL Bluetooth speaker connect with a 3.5mm AUX cable and simultaneously pair with another JBL speaker via Bluetooth, so that whatever is being heard on the first one can be
JBL Charge 4, Wireless Portable Bluetooth Speaker, Powerful Bass Radiator, 7500mAh, AUX & Type C
How to Charge & Connect your JBL Charge3 Speaker for Bluetooth Wireless & Wired Aux AudioJack Stream - YouTube