Demonstration of how to operate the scroll wheel Set the energy level, starting from 30%， Essential oils should be applied to the body during massages. Large bulging work head - suitable for deep muscle relaxation 【For instance, individuals engaged in fitness activities】 Replacement of the working head The concave pit work head – a specialized head designed to alleviate "back and shoulder strain" related issues affecting the spine. 【For instance, office workers who spend long periods sitting.】 Small protrusive work head - suitable for superficial fascial relaxation 【For example, the muscles in the back, calves, and other thinner tissues.】 Aluminum alloy work head - suitable for individuals with thicker fat deposits or to alleviate edema 【For instance, individuals who are slightly overweight or experience morning edema.】 Small Silicone Tip - Gentle Daily Care for Small Areas (such as arms or children) Professional Facial Treatment System， For example, facial rejuvenation and anti-aging treatments. Share your feelings.