Mosquito sound(Ultra Sound)
Mosquito Sound Test 20000Hz age 13-17.
Ultra sound/Mosquito sound.
Most adults can't hear the sound.
But it's so annoying for most young people, animal, insect.
Its depending on your
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Most adults can't hear the sound.
But it's so annoying for most young people, animal, insect.
Its depending on your
1M - 5M
12 years ago
