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1. 7.83Hz Ultralow Frequency Pulse Audio Resonator Sine Wave Resonance Generator

   7.83Hz Schumann Waves Resonance Generator 0.01Hz~100000Hz Adjustable Ultralow Frequency Pulse Audio Resonator Sine Wave Resonance Generator. Antenna waveform: Sine wave. Interface waveform: Sine wave.

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2. DC 5V 0.1-100KHz Adjustable Schumann Resonance 7.83HZ Ultra-low Frequency Pulse

   The product can not only output 7.83Hz Schumann wave, but also can be adjusted in the range of 0.1Hz ~ 100KHz frequency, digital circuit crystal oscillator frequency reference, more stable, stronger anti-interference.

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3. 7.83Hz Frequency Generator 0.01Hz~100000Hz Adjustable Pure Sine Signal Generator

   Antenna waveform: Sine wave. Interface waveform: Sine wave. Enhance Sleep Quality: Experience the natural 7.83Hz frequency with the Schumann Waves Resonance Generator. This resonance promotes relaxation, reduces stress, and aids in faster sleep onset, helping you wake up refreshed and energized.

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4. 7.83Hz Ultralow Frequency Pulse Audio Resonator Frequency Generator ~

   Antenna waveform: Sine wave. Interface waveform: Sine wave. Enhance Sleep Quality: Experience the natural 7.83Hz frequency with the Schumann Waves Resonance Generator. This resonance promotes relaxation, reduces stress, and aids in faster sleep onset, helping you wake up refreshed and energized.

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5. DC PWM Signal Generator Micro USB 2CH Adjustable Duty Cycle Pulse Frequency/

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6. 7.83Hz Schumann Waves Ultralow Frequency Pulse Signal Generator(Micro USB Red)

   7.83Hz Schumann Waves Resonance Generator 0.01Hz~100000Hz Adjustable Ultralow Frequency Pulse Audio Resonator Sine Wave Resonance Generator. Enhance Sleep Quality: Experience the natural 7.83Hz frequency with the Schumann Waves Resonance Generator.

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7. 7.83Hz Ultralow Frequency Pulse Audio Resonator Pure Sine Signal Generator

   7.83Hz Schumann Waves Resonance Generator 0.01Hz~100000Hz Adjustable Ultralow Frequency Pulse Audio Resonator Sine Wave Resonance Generator. Antenna waveform: Sine wave. Interface waveform: Sine wave.

   eBay

8. 7.83Hz Sine Wave Resonance Generator Frequency Generator

   7.83Hz Schumann Waves Resonance Generator 0.01Hz~100000Hz Adjustable Ultralow Frequency Pulse Audio Resonator Sine Wave Resonance Generator. Antenna waveform: Sine wave. Interface waveform: Sine wave.

   eBay

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