您可以通过在终端设备直接调节音量大小，也可以在Nothing X app中设置"长按"或“按一下后按住”的手势进行耳机音量的控制：
**Double pinch & Hold 1 second, adjust the volume (after triggering and in press &hold state, the volume changes by one bar every 0.9S, and stops rising when the press control is released)