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Turns your device into ultrasound emitter to repel annoying mosquitoes, rats, etc. Even kids can hear the high frequency sounds that an adult cant hear.
Features:
*Use the wide variety of frequncy to repel mosquitoes rats and any kind of insects.
*Activate the loop mode so the sound can keep playing.
*Annoy kids by playing the high frequency that most adults cant hear.
*Use it to test how good are your hear. While more high frequency you can hear the good your ears are.