We hunt for how isolated the volume controls are. In other words and phrases, when your fingers seek for the buttons, how many do they find? If it’s two, that’s simple. 3 is similar, just with a play/pause button in the center. But a lot more than that, we https://www.bluetoothspeaker.top/bluetooth-wireless-speaker-subwoofer-usb-stereo-home-music-surround-tf-card/