RF Equipment Ultrasound Face Lift Wrinkle Remover Hifu 9D MMFU RF Machine For Skin Tightening Cellulite Removal Body201RF Equipment Ultrasound Face Lift Wrinkle Remover Hifu 9D MMFU Machine For Skin Tightening Cellulite Removal Body Working Principle Macro & Micro Focused Ultrasound uses a "focused technology ultrasound ", which uses ultrasound as an energy source and utilizes its penetrability and focability to make low energy ultrasound in vitro focus on the skin SMAS fascia layer, producing instant high temperature at the focal point, stimulating and producing more