We try to look for how isolated the volume controls are. In other phrases, when your fingers look for the buttons, how many do they find? If it’s two, that’s quick. 3 is similar, just with a play/pause button in the center. But much more than that, we have https://www.bluetoothspeaker.top/bass-high-quality-loud-bt-tws-bluetooth-ipx6-outdoor-waterproof-wireless-bluetooth-speaker/