part of action: foot and knee joints, face, arms, neck lymph, cervical spine, buttocks, chest, spine, waist, abdomen, thighs, private parts, etc. effectlveness relieve pain no need for surgery, the cure rate of 80~90%. noninvasive, no anesthetic, convenient and fast. activate our body's natural anti-inflammatory and repair processes. this can greatly reduce the subject's pain value and accelerate the recovery time in the recovery phase. easy operation the human engineering design provides setting and operates conveniently; provides a various professional probe. not only supply the quality beauty machines, but also supply the good service we will provide you with a detailed user manual and operation video, ensure you can operate it well..syi