Stan’s Obligatory Blog



Filed under: — stan @ 10:31 am

I’ve worn earplugs in movies, at concerts, in bars, while mowing the lawn for the last 30 years. And you know what? It worked. I found this site with ultrasonic phone ringtones. You listen to them until you get up to a frequency you can’t hear any more. And then they tell you what that means. And in my case:

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 ultrasonic ringtones you can hear!

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