The effect is good. The effect of three-way master dds is good, because three-way master dds is a health instrument, and its performance has been greatly improved. Using modern micro-electronic spectrum moxibustion principle and harmonious resonance technology, combined with meridian science of traditional Chinese medicine, it can realize internal communication, external communication and qi-blood communication, improve certain fat-reducing effect and improve insomnia, dreaminess, cervical spondylosis and other diseases.

Attention should be paid to using dds: electrotherapy is prohibited within half an hour before and after meals; Do not touch cold water or cold food within one hour after electrotherapy; Electrotherapy is prohibited in thunderstorm and rainy days.