Friend Stunner simulator

Turn off sounds the most powerful ultrasound! Stun friend's ear! Don't try to shout down a cursing man - stunner! The loss of orientation in space and the desire to clash secured!
The neighbors are annoying with loud music? From behind the wall heard the child crying or howling dogs? Do not swear and do not waste your nerves in vain! Use earplugs, and show them who's boss - stun your neighbors through the wall ultrasound simulator! The shock of the squeak in my ears!

Attention! Application Stun Friend-3 Prank Simulator complies with the policy of Google in terms of harmful or malicious content, the level of sound is absolutely safe for people of all ages, the sound doesn’t affect any electronic or other devices.