Welcome to our store！</br> 1、For Relaxation: Schumann wave generator, which acts on the spatial environment, relaxes the body and mind, and improves the perception of sound and images. 2、Adjustable: Schumann wave pulse generator has adjustable frequency range, adjustable range of 0.1Hz‑30000Hz, to meet your needs. 3、Anti Interference: 7.83Hz Schumann wave generator, the use of digital circuit crystal oscillator frequency reference, more stable and anti interference. 4、Antenna And Interface Waveforms: Schumann wave pulse generator uses a perfect combination of antenna waveforms and interface waveforms, providing a variety of options. 5、Energy Saving: Ultralow frequency pulse generator adopts 5V power supply voltage, low power consumption, energy saving and environmental protection, can be used for a long time. <p class="wang-edit-text">Item Type: Schumann Wave Generator Material: PCB Antenna Waveform: Sine Wave Interface Waveform: Sine Wave, Square Wave, Inverted Square Wave (The lower left corner is the output interface, waveforms are output simultaneously) Power Supply Voltage: 5V Rated Power Consumption: &lt;1W Default Frequency: 7.83Hz Adjustment Range: 0.1Hz-30000Hz <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Schumann&nbsp;Wave&nbsp;Generator Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>