its great for pissing of people but dont use too much or u might damage ur ear with such high sounds . even if u dont hear 22 khz even then dont bring it near ur ear coz it will have major damage to ur inner ear. stay safe guys.
Love it It is a good idea to put this so my friends would leave me in peace
Good for irratating people |TIP| set it as ur notification ring tone
Like to iratate the old folks!
I could've been deaf by now
I'm 56 and I can hear all frequencies
Great 20 Mosquito sounds app, which can you download Mosquito ringtones for free