Hi guys, Welcome to the Advanced Video Search Engine, and you are watching δ波100分鐘無廣告 深層睡眠放鬆 記憶力↗潛能↗專注力↗δ Deep sleep memory↗potential↗. That video is uploaded by 因心心 at 2019-01-31T23:02:15-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [jX84I37UMds]