... device. 4,CE,RoHs,FCC 3 in 1 Multifunction Portable Ultrasound and LED Skin Rejuvenation Equipment. Brief description:With 3M Hz ... 3,000,000 times/s with even and mild wave shape, pass the vibration to subcutaneous fat and interstitial tissue, promote the metabolism of ... us?As a source manufacturer, we have been devoted to designing,produceing and sale for many years in beauty industry. With perfect ...