0,1 Hz ~ 30 KHZ 7,83 HZ Schumann Resonanz Ultra-Niederfrequenz Pulswellengenerator
ab 7,71 €
The product not only can output 7.83Hz Schumann wave, but also can adjust the frequency in the range of 0.1Hz ~ 30KHz, digital circuit crystal oscillator frequency reference, more stable, stronger anti-interference.
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