... device. 4,CE,RoHs,FCC 3 in 1 Multifunction Portable Ultrasound and LED Skin Rejuvenation Equipment. Brief description:With 3M Hz ultrasonic ... can help you cure the droopy face,canthus and mouth,double chin and so on. And what's more,with the three levels ... temperature in deep skin by 0.5-1°C, promoteskin to absorb essences, accelerate metabolism and reinforce the regenerative course of tissue ...