Schumann Waves Generator 7.83Hz Ultra-Low Frequency Pulse

Schumann Waves Generator 7.83Hz Ultra-Low Frequency Pulse Description

Features:
Brand new and high quality
This Schumann waves generator is 7.83HZ very low frequency generator, which features accuracy and stability. The metal material ensures its durability, precisions with a long service life
The Schumann generator adopts stable frequency acquisition including stability pulse chip, precisions correction capacitance and precisions multiloop adjustable resistor, in order to ensure the reliable performances of this product
This Pulse Generator is adopted with polymer batteries, with overcharged, overvoltage, overcurrent protections. There is almost no voltage in the voltage supply
The Schumann waves can help create relaxed atmosphere, making people calm and comfortable. It helps to improve sleeps quality, relieve fatigue and restore physical and mental health.
With work switches, this Schumann generator is easy to use.

Specifications:
Material:Metal
Size:Approx.68x52x12mm/2.67x2.04x0.47inch
Power supply: 5V
Battery: 850mah
Charging current: 250ma
Charging time: 3-4hours
Operating current: 7MA
Usage time: 100hours

Package Includes:
1x Schumann Waves Generator

note:
1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.