'Ultrasonic' ringtones - ouch on my hearing

[Dina Lerret]

I remember their being some news segment about kids using high-pitched
ringtones to avoid adults hearing their cellphones.

http://www.ultrasonic-ringtones.com/

Gah!  Hurts my ears!  The 17.7kHz is the last one that makes me cringe
because I can barely make out 18.8 on my PC speakers... Heh, certainly
worked on the bugs because a huge breeder (i.e. winged) carpenter ant
dropped within inches of the PC speaker... sonofabitch! {whack}  Dead
now.

As to my age, twenty-eight, so I've retained a good percentage of my
hearing... until those tests. ;-)  Eyesight is another matter.

Dina