LED Skin,ultrasound machine 1,Acne removing equipment. 2,Anti-wrinkle equipment. 3,Safe and effective device. 4,CE,RoHs,FCC ... 3 in 1 Multifunction Portable Ultrasound and LED Skin Rejuvenation Equipment. Brief description:With 3M Hz ultrasonic,galvanic and photon ... have following functions:Red Light: wavelength 625±3nm 12 LED activate cells, promote the formulation of collagen Green Light: ...