- 
	Iawake Technologies Biofield Brainwaves Meditation 2016Isochronic tones are sharp and regular pulses of sound created by a single tone being turned on and off at fast speed. The first study showing their effectiveness was published in 1981 by Arturo Manns. SalePage $60.00$229.00
 
			 
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              
                             