Hearing Frequency Test has ultrasonic ringtones for free

Hearing Frequency Test has Free Ultrasonic Ringtones

Ultrasonics are great new ringtones that play at a higher frequency than normal tones. This means that they can only be heard by kids and generally can't be heard by adults over the age over 20 or so.

What are these Free Ultrasonic Ringtones all about?

Young humans can generally hear sounds with frequencies between 20 Hz and 20,000 Hz (the audio range or hearing range) although this range varies significantly with age, occupational hearing damage, and gender. The majority of people can no longer hear 20,000 Hz by the time they are teenagers, and progressively lose the ability to hear higher frequencies with age.

The short version, A tone outside the audible range of hearing for most people over the age of 30. This means that you can get phone calls and receive text messages in class or school without teachers hearing it.


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Who can hear your ringtone?

Young humans can hear between 20 Hz to 20,000 Hz
Dogs can hear between 40 Hz to 60,000 Hz
Bats can hear between 20 Hz to 120,000 Hz
Bats can hear between 1000 Hz to 90,000 Hz

Ultrasonic Ringtones AKA Mosquito Ringtones: