Praise a mother who bought Tian Yun Sound Wave Tongluo Health Care Instrument in an experience store. At first, she was against her mother buying things in the experience store, because I used to see reports on TV that everything bought in the experience store was deceptive. Mom has been doing it for less than half a month. She used to suffer from insomnia and woke up at the slightest movement. Now she sleeps more than 10 at night and can sleep until 6.7 o'clock. Not only that, my mother's previous white hair turned black, and the effect was really good. Now my father has also started to do it, expecting good results.