Hellow guys, Welcome to my website, and you are watching ✍️마음 속 잡음을 없애 높은 집중력 유지하는 뇌파소리 | 5.8 Hz 세타파 - '집중을 위한 마음 속 잡음 제거' | 5.8 Hz EEG. and this vIdeo is uploaded by 잠박사 JAMBAKSA at 2020-02-23T18:28:51-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.