Schumann wave itself does not emit any sound, nor connected to other equipment, only plugged in can be used, not directly on the audio or video products to improve the sound quality of the picture, but the role of the space environment, providing a specific frequency of electromagnetic waves   this electromagnetic wave frequency was first discovered by the American scientists Schumann, the frequency of this electromagnetic wave and the size of the Earth, a variety of living creatures live in this electromagnetic wave for a long time, and Various organisms have been living in this electromagnetic wave for a long time and have been reproducing for generations.   Schumann wave 7.83Hz offset electromagnetic wave radio wave negative interference frequency, so that the acoustic space reverberation stable and harmonious, so that listeners can be more concentrated and happy to enjoy the music let people's body and mind relaxation, improve the body's perception of sound and image, improve the health of the human body to improve the efficiency of work creation, insomnia, mental tension, etc. also has a certain effect      Colour:As Shown   Material:ABS      Package Contents:   1 x Schumanto generator