7.8Hz Schumann waves pulse generator has high accuracy and stability, which can make you relax and reduce mental stress and is beneficial to human .

Features:
7.8Hz ultra-low frequency pulse Schumann generator has high accuracy and stability.
Equipped with high stability pulse chip, accuracy correction capacitor and multi-loop adjustable resistor.
It can turn ordinary into Shumangbo , antioxidant, easy to absorb, and improve the delivery capacity of bloods after drinking, which is beneficial to .
It can be placed in the bedroom to improve the quality of sleep, or in the office to relax and improve work efficiency.
Used to make the sound more pleasing, or used to make tea to the brewing and make the tea smell more intense.
USB and , easy to use, can be used in the bedroom, study, office, tea room, etc.

Specifications:
Color: Black
Material: Plastics
Supplys: Type-C Port
Resonant Frequency: 7.8Hz (Adjustable)
Item Size: 100 * 82mm / 3.9 * 3.2in
Item Weight: 18g / 0.6oz
Package Size: 130 * 85 * 10mm / 5.1 * 3.3 * 0.4in
Package Weight: 24g / 0.8oz

Packing List:
1 * Schumann Resonance Generator