DC 5V Schumann Resonance 7.83HZ Ultra-low Frequency Pulse Generator Schumann Wave Generator Audio Resonator for Relax Sleep, Improving Body's Perception of Sound and Images
- Benefit to people's physical and mental relaxation, improve the body's perception of sound and images, improve the health of the human body.
- To improve the efficiency of work, and reduce mental stress. Ultra-Low Frequency Schumann wave generator, features high accuracy and stability.
- Adopting anti-vibration technology to stabilize the frequency.
- Made from high stability pulse chip, precision correction capacitance, and precision multi-loop adjustable resistor.
- With work condition indicator (red, green or frequency flashing blue), you can clearly see its work conditions.
- Rechargeable large capacity lithium battery can last about 400 days at a time when fully charged.
