Find out just how far your ears can hear into the range of ultrasonic ringtones. Pretty much everyone should be able to hear the lowest tone (8kHz). Many people.
Several young students have caught on to a recent trend: a ring tone that only they can hear and most adults can't. Dubbed the Mosquito, the.
Check whether you can hear these high-frequency Teen Buzz ringtones, sometimes called tone (17.4 kHz) that most teens can hear but most adults cannot.