Principle: Adopt electric intelligent roller and vacuum negative pressure suction to deeply massage all parts of the body. The epidermis, dermis and subcutaneous fat layer are pulled upward, and the connective fibers of different cortex are picked up and stretched by an exciting roller. Massage back and forth can effectively decompose subcutaneous fat and squeezed tiny blood vessels and lymphatic vessels, and promote human metabolism. Function: Helps burn fat, slim down and beautify, proliferates collagen and elastic fiber cells, and restores skin luster and elasticity. Features: fashionable and beautiful appearance, more reasonable computer programming, more accurate mechanical setting.