hat
4. DS-1.5 10MHz frekans itilize transmèt wo-enèji konsantre ultrason nan tisi nan epidèm, ultrason nan yo anba po a nan yon pwofondè nan 1.5mm, ki responsab pou aktive epidèm nan po nan mens tisi.
eng
4. DS-1.5 10MHZ frequency used to transmit high-energy focused ultrasound to the epidermis tissue,the ultrasound to penetrate the skin to a depth of 1.5mm,is responsible for activating the skin epidermis in thinner tissue.