0.01Hz~100000Hz Adjustable Resonant Frequency Generator USB Powered Helps Sleep
15,51 €
0.01Hz~100000Hz Adjustable Schumann Sine Wave Resonance Generator USB Powered Ultra-Low Frequency Pulse Generator Resonator Resonant Frequency Generator for Relexation Sleep. Easy USB Power Compatibility: With simple connectivity through dc5.5 2.1 interface or USB, the ultra-low frequency pulse generator resonator seamlessly integrates with power banks, ensuring convenience wherever you go.
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