Have you ever wanted to silence someone? Probably your over-talkative colleague, friend, spouse, or in-laws. Speech Jammer + Zapper can help!

Speech Zap exploits mental loophole that will confuse the target's brain so that he/she has to stop talking, without any physical discomfort. Speech Zap utilizes psychological finding that when you hear your voice played back to you with a delay you will start stuttering and eventually have to stop speaking.

HOW TO USE
1.Make sure your volume is turned on all the way up
2.Your device is not silent / mute or vibrate mode
3.Point your device speaker towards the annoying friend
4.Adjust the squeakiness of the sound.
5.Push START button and watch him/her stop talking
6.How simple is that?