5X 7.83Hz Programmable Schumann Wave Generator Ultra-Low Frequency Pulse Generator Ultra-Low Frequency Pulse Gen 4713433457742
1. Schumann wave electromagnetic wave is extremely low frequency, can penetrate any substance, is non-free radiation. 2. Schumann wave is a natural...
Compare prices (1 shop)
| shop | Price | Action |
|---|---|---|
|
42,51 GBP | Go to shop |
