Schumann Wave Resonance Generator, Healing Frequency Generator, Rife Machine,...

【Compact, Portable, and Silent Design】 Designed with a compact 15x15cm PCB board, this Schumann resonance generator is lightweight and easy to carry. 【Adjustable Frequency for Brain Wave Synchronization】 Our Schumann wave generator features an adjustable frequency range from 0.01Hz to 100,000Hz, covering all major brain wave frequencies: δ wave (0.5 - 3.5Hz) for sleep, θ wave (4 - 7Hz) for relaxation, α wave (8 - 13Hz) for calmness, and β wave (14 - 30Hz) for focus.