Control volume of the headset with 4 steps in cycle 0 - 1 - 2 - 3.
Control volume of the headset with 4 steps in cycle 0 - 1 - 2 - 3.
调较耳机的高底音量,共4级来回调较,0-1-2-3.
Control volume of the headset with 4 steps in cycle 0 - 1 - 2 - 3.
调较耳机的高底音量,共4级来回调较,0-1-2-3.