We try to look for how isolated the volume controls are. In other words, when your fingers try to find the buttons, how many do they find? If it’s two, that’s effortless. 3 is similar, just with a play/pause button in the center. But additional than that, we have https://www.bluetoothspeaker.top/hot-selling-wireless-bluetooth-speaker-with-hands-free-phone-calling-and-tf-card/