Updated ( Now more powerful )
Your immune system does a remarkable job of defending you against disease-causing microorganisms, It spread throughout the body and involves many types of cells, organs, proteins, and tissues. The stronger programming method used here, will boost your immunity system, and works as a complete protection field. It develops a healthier immunity system.
2 times is fine for 3 days actually. You need to maintain listening after 3 days, or use often as you need like this. No need to use headphones/sets/other wireless devices. Listen in a low/comfortable volume.