【 Convenient Power Supply 】 The Schumann resonance generator features universal Type-C/B ports for power supply , enabling plug and play functionality that adapts to various usage scenarios 【 Adjustable Frequency Range 】 The adjustable frequency generator offers fine frequency adjustment ranging from 0.01Hz to 100KHz . Whether for yoga practice , deep relaxation , or personalized wellness goals , you can tailor exclusive frequency programs to your needs 【 Advantages of Schumann Wave 】 The Schumann wave acts on the surrounding environment . By relaxing your body and mind and relieving stress , it enhances your sensory acuity to sounds and images , thereby boosting work efficiency and overall wellness 【 Sync with Earth's Natural Pulse 】 The frequency generator stably outputs the 7.83Hz Schumann resonance frequency , synchronizing with Earth's natural pulse . It helps calm the nervous system and relieve daily tension . Equipped with a low temperature drift high precision crystal oscillator and a professional DAC chip inside , the generator ensures stable frequency output , pure waveforms , and strong anti interference capability 【 Scientific Placement for Optimal Coverage 】 For best results , place the schumann resonance device beside your bed or in frequently used areas , about 1-1.5 m/3.3-4.9 ft above the ground . It provides an effective coverage radius of approximately 5 me/16.4 ft . For larger bedrooms or open spaces , we recommend using two units to create a uniform and stable coverage