<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br/>1. 7.83Hz core frequency setting: Stably generate 7.83Hz electromagnetic wave pulses that are consistent with the natural resonant frequency of the Earth. <br/>2. Portability and ease of use: Designed to be portable, easy to operate, suitable for home, office, or travel scenarios, supporting convenient functions such as USB charging. <br/>3. Wide application: Although mainly promoted for improving sleep and relaxation, it also claims to enhance concentration, reduce stress, and optimize sound quality, the scientific evidence for these benefits is limited. <br/>4. Easy to use: This version of Shumanbo is equipped with a power switch, so there is no need to plug and unplug the power back and forth. It can be powered by a phone charger or a power bank Type-C interface. <br/>5. Diversified design: The circuit board has a light bulb that flashes at a frequency of 7.83 times per second, which is relatively fast and considered normal.</p><p>Parameter: <br/>Interface: Type-C <br/>Voltage: DC5V <br/>Frequency: 7.83HZ <br/>Size (approximately): 8.5CM * 10CM <br/>Product Description: <br/>This version of Shumanbo is equipped with a power switch, so there is no need to plug and unplug the power supply back and forth. Use a mobile phone charger or power bank Type-C interface to provide power. <br/>Additionally, it should be noted that there is a light bulb on the circuit board flashing at a frequency of 7.83 times per second, which is relatively slow and considered normal.</p><p>Package include:<br/>1 *Module<br/><br/></p></div></div><p><br/></p>