기술 Anti mosquito (prank)

Anti mosquito is a free tool which can be used to keep all mosquitoes and bugs away from you! It plays ultrasonic sounds which are irritating insects. Mosquitoes should go away from the source of the sounds. So you can use it to get rid of mosquito! /n/n Anti mosquito is the most powerful insects repellent. It emits sounds from 5kHz to 30kHz. Some sound frequencies are not hearable for humans, but mosquitoes hear them very well!

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