Six functions of light wave room: 1, activating cells, purifying blood and expelling toxins; 2, burning fat to lose weight and restore vitality; 3. Dredge meridians and prevent rheumatism; 4, beauty freckle, skin tender and smooth; 5. Make up exercise to improve sleep; 6, regulate the stomach, get rid of the body cold, you can learn about the Yangtze River light wave room, I still use it.