领夹式麦克风可免提操作。

A lavalier microphone is made for hands-free operation.

youdao

它的好，知道来袭体育蓝牙和集成扬声器为免提操作。

It's good to know the 8700r sports Bluetooth and integrated speakerphone for handsfree operation.

youdao

它的好，知道来袭体育蓝牙和集成扬声器为免提操作。

It's good to know the 8700r sports Bluetooth and integrated speakerphone for handsfree operation.

youdao