This Binaural beat session uses the following frequencies: Left Ear: 144.72Hz - activity, energy, freedom, humor; Frequency associated with the orbit of Mars.brThis Binaural beat session uses the following frequencies: Left Ear: 144.72Hz - activity, energy, freedom, humor; Frequency associated with the orbit of Mars.brThis Binaural beat session uses the following frequencies: Left Ear: 144.72Hz - activity, energy, freedom, humor; Frequency associated with the orbit of Mars.brThis Binaural beat session uses the following frequencies: Left Ear: 144.72Hz - activity, energy, freedom, humor; Frequency associated with the orbit of Mars.