Schumann Resonance Generator, 0.01Hz-100KHz Frequency Pulse Resonator with Multiple Waveforms for Deep Sleep & Concentration.

◆ Wide Frequency Range & Precision: Features an ultra-wide frequency range from 0.01Hz to 100000Hz. The 5-ring frequency adjustment design allows for precise tuning to meet your specific resonance requirements. ◆ Versatile Waveform Output: Built-in multiple waveform options including sine wave, square wave, & inverted square wave. This flexibility ensures stable resonance performance in various usage environments. ◆ Focus & Creativity Enhancement: Promotes stable human body frequency resonance to help the brain enter a focused state, effectively boosting work efficiency & inspiring creative potential. ◆ Natural Sleep Aid: Scientifically simulates the 7.83Hz Earth natural resonance frequency to help ease worries& improve sleep quality, creating a calm & comfortable home atmosphere. ◆ Portable & User-Friendly: Powered by DC 5V with options for with or without an outer casing. The intuitive design makes it easy to use for both experimental tasks & daily routines.