7.83Hz Frequency Generator for Healing, 0.01-300000Hz Adjustable Sound Frequency Machine Healing Device, Schumann Wave Resonance Generator, USB Powered Sound Healing Frequency Device
| Country | USA |
| Manufacturer | Independently published |
| Binding | Paperback |
| EANs | 9798284263655 |
| ReleaseDate | 0000-00-00 |