It has a volume controller and a collar clip along with a microphone switch which turns it on and off.

它有一个音量控制器与麦克风开关的打开或关闭它和衣领剪辑。

youdao

It has a volume controller and a collar clip along with a microphone switch which turns it on and off.

它有一个音量控制器与麦克风开关的打开或关闭它和衣领剪辑。

youdao