USB Multimode 7.83HZ Generator Schumann Wave Generator Pure Version for Relaxation Enhancing Sound Perception Experience the calming benefits of the resonance with our 7.83hz generator, designing to enhances your well being by emitting low frequency pulses that promote relaxation and stress relief.For audiophiles seek to refines their experience, and individuals look to improves sleep quality and overall health.Transform your bedroom, office, or personals space into a sanctuaries of peace with this generator, aiding in better sleep and heightened concentration during work or study.Elevates your sound visual perception and embraces a healthier lifestyle; it's for anyone seek a harmonious between technology and nature's rhythm.Color: BlackMaterial: plasticPackage Contents:1 * Generator1 * USB cableOnly 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.