I don't understand. Fever master's 45-degree constant temperature fever therapy is to use "deep source heat" technology to make thermal energy penetrate the whole body system, simultaneously eliminate subcutaneous fat and visceral fat, enhance immunity, and improve constipation and palace cold; At the same time, repair damaged and diseased cells, activate dormant cells and promote cell regeneration, improve pain, further activate cells, promote metabolism, prevent diseases, fade fine lines, firm and tender skin and shape contours. Customers don't do it because they don't understand the efficacy of fever masters and are afraid.