Portable 7D Hifu machine have high-energy focused ultrasound system has a smaller focus point than other HIFU devices With more accurately transmits high-energy focused ultrasound energy at 65 -75"C to the target skin tissue layer, which results ina thermal coagulation effect without harming surrounding tissues.While stimulating the proliferation of collagen and elastic fibers, it greatly improves the comfort and give you a perfectv face with the skin plump, firm, and elastic.