Very high pitch disturbing sound for 12 hours

Follow me on Facebook(Page):   / adrritoadi   Join us on Facebook(Group):  / 389380512174915   (Discussion Group) Magic Link: https://www.youtube.com/c/ThinkSmartC... Our Sponsor: spiderpie.com Website: https://www.thinksmart.com/ //////////////////////////////////////////////////////////////////////////////////////////////// About this video: A study also shows that sounds in the higher frequency range of around 2,000 to 5,000 Hz were rated as the most unpleasant. "This is the frequency range where our ears are most sensitive. And this video contains 3500 Hz sound for a 12-hour long period. 3500hz is the average of 2000 and 5000. Perfect for annoying people wake up friends for fun And this sound can't be easily traced. so you can easily hide the sound source or the speaker. Caution! Don't play this sound in front of patients. //////////////////////////////////////////////////////////////////////////////////////////////// Don't forget to subscribe if you are new to this channel and share this video with your friends. Look around for videos like the one you just saw. ____________________________________________________________ 🔗 Join our Facebook Group:   / 389380512174915   🔗 Visit our Website: https://www.thinksmart.com/ 🔗 Follow me on Facebook:   / adrrito   🔗 Follow me on Instagram:   / adrrito   Adi/ 🔗 For any help:   / adrrito   Adi 🔗 Like our Page:   / adrritoadi   🔗 Follow Me: www.twitter.com/Adrrito Adi 🔗 Subscribe to my other channels: https://www.youtube.com/c/ThinkSmartC... Thank You :)