NEW STEP BY STEP MAP FOR BLUETOOTH MIC AND SPEAKER SET

We try to find how isolated the volume controls are. In other words and phrases, when your fingers search for the buttons, how many do they find? If it’s two, that’s easy. 3 is similar, just with a play/pause button in the center. But more than that, we have to keep in mind where the volume controls are, both on one facet or flanking all of the