7.83Hz Schumann Wave Generator, 0.01Hz-30kHz Adjustable Frequency Generator for Healing, Portable Sine/Square/Reverse Square Wave Resonance Device with USB Power & Acrylic Case

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• Promote Relaxation & Improve Sleep – This Schumann resonance generator emits a default 7.83Hz frequency, matching the Earth's natural electromagnetic field, to help calm the mind, encourage deeper relaxation, and support better sleep quality.
• Wide Adjustable Frequency Range – frequency generator From 0.01Hz to 30kHz, this device offers precise frequency tuning for personalized healing, meditation, yoga, or wellness routines, suitable for both beginners and advanced users.
• Three Output Waveforms – Choose between sine, square, and reverse square waves to match different therapeutic or experimental needs, enhancing versatility for relaxation therapies, sound healing, and professional applications.
• Stable & Accurate Performance – Built with a high-precision chip and low-temperature drift crystal, the generator ensures stable frequency output with minimal interference. Sine wave amplitude remains steady at 3V, while square waves output at 5V.
• Portable & Easy to Use – Featuring a compact acrylic case (approx. 6.1×5.7×1.1 inches) and USB power compatibility, this generator is plug-and-play. Take it anywhere—use with a power bank, USB adapter, or computer for convenient healing sessions at home or on the go.