0.01Hz~300000Hz Schumann Sine Wave Resonance Generator Ultra-Low Frequency Pulse
New open box 0.01Hz~300000Hz Schumann Sine Wave Resonance Generator Ultra-Low Frequency Pulse. No original packaging or USB adapter included. -Connection: USB-Default Frequency: 7.83Hz & can also be adjusted to 174Hz, 285Hz, 396Hz, 417Hz, 528Hz, 639Hz, 741Hz, 852Hz, 963Hz, etc.-Adjustable Range: 0.01 to 100,000 Hz-Antenna Waveform: Sine Wave-Sine Signal Voltage Amplitude: 3V-Square Wave Signal Voltage Amplitude: 5V