915 Generation FM783 7.83HZ Wave Generator Schumann Wave Ultra-Low Frequency Pulse Generator for Helping Sleep

Features: Adopted of Mini Usb port power supply, typically+5V 0.1A, and comes with USB cable
Imported ultra-low static power consumption main control IC, to make the waveform more stable
Output 7.83HZ pulse square wave, whose duty cycle is 50%. Frequency can be fine-tuned for correction
This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability.
For audio-visual space - to enhance the sound field and audio-visual effects, For the bedroom - to help sleep soothe the nerves, adjust insomnia, For office - to relax and improve work efficiency, Used to create space - to improve inspiration, For the tea ceremony - resting body and mind

Specification:
Power supply: +5V
Current: 0.1A
Pulse square wave: 7.83HZ
Material: PC+Metal
colour: As Shown

Package Contents:
1 x Pulse Generator
1 x USB cable

Only the above package content, other products are not included.
Note: Light reflection 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.