WHAT DOES BLUETOOTH SPEAKER WITH MICROPHONE SM MEAN?

Design: Unlike lots of other portable speakers over the market, the Flip 6 doesn't have an obscure shape to it. Fairly, it comes in a classic cylinder type that matches in the aspect pocket of any backpack.Within the case of the Flip seven and Charge six, it's something called "AI Sound Boost" that JBL states keeps the speakers from distorting