A rechargeable Schumann resonance generator designed for sleep, relaxation, and focused calm. It is suitable for both men and women and anyone seeking a calmer environment, regardless of lifestyle. Key benefits - Supports sleep and relaxation through 7.83 Hz Schumann resonance, helping to create a soothing background for rest and quieter days. - Enhances concentration and calm in working or study spaces by reducing ambient tension. - Easy to use in multiple rooms where tranquility is desired, such as bedrooms, offices, or living spaces. Functionality and performance - 7.83 Hz extremely low frequency generator for relaxation and sleep quality. - 5V USB charging surface; compatible with standard USB power sources. - Fully charges in 3–4 hours and delivers over 100 hours of continuous use on a single charge. Specifications and usage compatibility - Rechargeable design with no need for disposable batteries. - USB charging surface provides convenient power options, compatible with common USB adapters and ports. Use scenarios - Sleep enhancement: Place in the bedroom to support a calmer pre-sleep routine and improve sleep quality. - Work or study focus: Use in a home office or study area to foster relaxation and improve concentration during tasks. - Quiet space or meditation: Set up in a living room or dedicated relaxation corner to create a tranquil atmosphere for meditation or downtime. Notes - Designed for universal suitability and ease of use, with straightforward USB charging and long battery life to minimize interruptions.