Description

On this revolutionary application called "UltraSound" you will be able to test differents kind of ultrasounds audible according to your age. UltraSound is able to produce a sound from 8000 to 20,000hz! Do you hear as well as you think ? Do the test with friends more or less young to understand the dissimilarity between age !

10 differents ultrasounds to try!

An external loud-speaker is required on the first generation of the iPod Touch in order to use the UltraSound

The iPhone and the second generation of the ipod touch are compatible with UltraSound