5V 7.83HZ Schumann Wave Ultra-Low Frequency Pulse Generator Audio Resonator Set
ab 11,82 €
This product is a 7.83 Hz low frequency Schumann waves generator featuring high accuracy and stability. Schumann electromagnetic waves are low frequency and can penetrate any material. Each individual has a network of weak currents that will produce frequency resonances when excited by Schumann waves.
Jetzt bei Ebay: