| Brand | Unbranded |
|---|---|
| Unit Type | Unit |
| Battery Included | No |
| DIY Supplies | Electronics |
| Country of Origin | United States |
| High-concerned chemical | None |
Check the listing for details. For Schumann Wave Generator Pulse Sine Frequency+Audio Output Connector+Case. Condition: New, Made in United States. Listed at 17.99 USD. Designed to generate stable low-frequency signals, this device produces aSchumann resonance frequency (typically around 7.83Hz), commonly used for relaxation, focus, and creating a balanced atmosphere.