Anti-Mosquito produces sound in the range of 16000Hz to 20000Hz that is beyond the audible range of humans.
But mosquitos and other harmful insects can hear the sound from Anti-Mosquito.
Even though you cannot hear the sound, it is so painful to them that mosquitos cannot be around you.
An external speaker is required for 1st generation iPod Touch to use the Anti-Mosquito.
iPhone and 2nd generation iPod Touch with external speakers will be more effective.

Languages:
English, French, Japanese, Korean

Website:
http://web.me.com/caizer/

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