Features less electromagnetic output with none mechanical fan, ensuring absolute quietness Perfect for sensitive individuals or creative environments, eliminating sound pollution from traditional white devices Uses circuitry to generate clean sine waves, gently influencing human bioelectricity Ideal for high stress professional, restoring natural ionospheric resonance states For phone chargers and power banks, equipped with a 2000mAh built in battery for extended use Solve power concerns for outdoor or mobile work scenarios without affecting battery life This 7.83Hz generator produces waves to accurately simulate Earth ' s resonance frequency, effectively reducing electromagnetic interferences from electronic devices Ideal for bedrooms and spaces requiring stable fields Compact 100mm cube design weighing only 0.41kg, easily fits in desks or travel bags Enables field management compared to traditional devices, Manufacturer: PXZH