We try to look for how isolated the volume controls are. In other words, when your fingers hunt for the buttons, how many do they find? If it’s two, that’s easy. Three is similar, just with a play/pause button in the middle. But more than that, we have to https://www.bluetoothspeaker.top/usb-stereo-sound-music-box-home-decor-speaker-big-party-box-bluetooth-speaker/