Negative Ion 7.83Hz Improve Body'S Perception Audiovisual Improve

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Description:

This product is Schumann wave 7.83HZ very low frequency , features high accuracy and stability.

High stable frequency acquisition elements: high stability , precision correction capacitance, precision multi-loop adjustable .

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.

Specification:

1x Super-low frequency

1x 

USB cable

Size Chart:

10x10cm/3.94x3.94inch

Package Includes:

Power: 12V 1A android charging cable

Weight: 200g

Polymer battery capacity: 2300mah

Note:

1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!

;7.83HZ Extremely Low Frequency ;Schumann Wave Earth Resonance Frequency ;Schumann Wave Super-Low Frequency ;Schumann Wave Version;Resonance Wave with USB Cable