Schumann Resonance Ultra-low Frequency Pulse Wave Generator

FEATURES:
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
SPECIFICATIONS:
For more information please Google "Schumann Resonance".
For audio-visual space - to enhance the sound field and audio-visual effects
For the bedroom - to help sleep soothe the nerves, treatment of insomnia
For the office - relax and improve work efficiency
For the create space - to improve creative inspiration
For the tea ceremony, spirituality, realization space - resting body and mind
Frequency: 7.83Hz
Rated voltage: DC 5V
Rated current: 0.5A
Notice the Switch only for the indicator light ON/OFF ,
The Transparent acrylic box need assembly it by yourself (The acrylic have the protective film)

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.