With the headset off, press the Multifunction button and desired volume button to assign as volume upuntil the LED flashes 2 times and the headset powers up.
With the headset off, press the Multifunction button and desired volume button to assign as volume upuntil the LED flashes 2 times and the headset powers up.
关闭耳机电源，同时按下多功能键及需设置的音量增大方向按键，直至显示灯闪烁2次，同时耳机电源开启。