... 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 ... ,000,000 times/s with even and mild wave shape, pass the vibration to subcutaneous fat and interstitial tissue, promote the metabolism of ...