You are a dog ! (Ultrasonic ringtone)

You are a dog

Or maybe you are a mosquito, you certainly can't be human. The highest pitched ultrasonic mosquito ringtone that I can hear is 21.1kHz

Find out which ringtones you can hear!

啊？這是真的嗎？
是我家的喇叭太爛還是太好？
不過真的最後一個是聽不見了...