1. Absolutely no side effects!2. Weak pulse does not affect the quality of normal sleep.3. Automatic filter background and environment noise， effective detection and identification of users snoring.4. Intelligent power-saving devices5. 8 hours automatically power off design.6. Stylish watch type designs.Applies to:1. Mild intermittent snoring2. Due to snoring， apnea wakeup3. Due to snoring， seriously affect sleep quality of your partner or family4. Snoring repeated， apnea， cerebral ischemia and hypoxia crowd5. Severe snoring， cardiovascular， neurological diseases crowd.