Hellow guys, Welcome to my website, and you are watching (장시간학습용) ⚡뇌피로는 낮추고 집중력은 높이는 알파파 + 장작불소리🔥 + 시간타이머🕜 | 12 Hz 알타파 + 장작불소리 - 집중력유지 | 12 Hz EEG+Wood Fire. and this vIdeo is uploaded by 잠박사N 자연소리 JAMBAKSA Nature at 2020-10-12T00:29:42-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
