good grade (1) 썸네일형 리스트형 MC Square X1, Mind Machine, Brain Machine, Made in Korea, Concentration, Study, Sleep, Sports (Origin : Korea) We suppy light & sound machines(MC square x1) to the world. * What is Mc Square? MC Square is a neuro-scrience system that helps improve concentration, reduce stress and attain relaxation through the rhythm of Light and Sound. (1)Light & Sound Synchronization? Prior to the response to seeing & hearing, forcing harmonization of unsynchronized the light & sounds. (2) Structure of .. 이전 1 다음