Diy Upgraded Version Frequency Pulse Generator Resonator,silver

This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability.High stable frequency acquisition elements: high stability pulse chip, precision correction capacitance, precision multi-loop adjustable resistor.High quality polymer batteries, with overcharged, overvoltage, overcurrent protection. There is almost no voltage ripple in the voltage supply.With work toggle switch, easy to use.Schumann wave can be applied to HIFI or sleep.Description: Schumann wave itself is not directly acting on the sound or video products to improve the quality of sound quality, but the role of the space environment, 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, mental stress also have a better effect.Colour:Black+silverMaterial:Plastic + MetalPackage Contents:1 x Ultra-low frequency pulse generator1 x charging cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.