Adjustable 0.1Hz-30KHz Schumann Wave Ultra-low Frequency Pulse Generator DC 5V
16,65 €
Not only can output 7.83Hz Schumann wave, but also joined the programmable frequency modulation technology, can be adjusted in the range of 0.1Hz ~ 30KHz frequency. Schumann wave generator, new optimised circuit design, 7.83HZ very low frequency pulse.
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