Best youTube video ever!
18 March 2008
You're only as old as you feel!
You are in your twenties
You can still hear reasonably well and you can play this without my old fart colleagues hearing it which makes you feel kinda good.
The highest pitched ultrasonic mosquito ringtone that I can hear is 15.8kHz
|Find out which ultrasonic ringtones you can hear!|