Vacuum: Connect capillary congestion, stimulate organs, enhance cell viability, improve the body's immunity. Far infrared: Produced by thermal stimulation, promote blood circulation, improve metabolism and tissue nutrition. Negative ion effect: 7mm deep massage subcutaneous tissue, make blood unblocked, dredge the breast, transport oxygen and nutrients to the breast, stimulate the growth and development of the breast. High-frequency massage: Promote blood circulation, speed up metabolism.