... effective device. 4,CE,RoHs,FCC 3 in 1 Multifunction Portable Ultrasound and LED Skin Rejuvenation Equipment ... visible change after using once. Treatment theory:1,Galvanic:*It can form a weak electric field ... rise the temperature in deep skin by 0.5-1°C, promoteskin to absorb essences, accelerate metabolism ... credit, we have achieved big success both in home and abroad market.We have cooperated with the ...