I can not make a voice. I've lost my voice. Only when that is the case, I want you to call back and turn around. I will not go to the shoulder suddenly in this world. . In such a scene, I made an application to call by voice. The sound that can be heard is ·Excuse me ·Thank you ·Welcome ·Please help Also, an infinite looping siren in emergency This time, I'm implementing a phrase to be nice.