This device is designed to influence the environment rather than directly modifying tone or video products to improve sound quality. By shaping the surrounding ambience, it helps relax the body and mind, enhances the perception of ambient sounds, improves the efficiency of human health tasks, and reduces psychological stress. Key features - Programmable frequency modulation technology: In addition to emitting a fixed 7.83 Hz, the device offers a programmable frequency modulation capability with a selectable range from 0.1 Hz to 100,000 Hz. - Material and stability: Made from ABS material, which provides frequency stability. - Power interface: Uses a DC 5.5 x 2.1 mm connector for convenient power supply. Use scenarios - Healthcare settings: Use during patient care to reduce mental strain, improve focus, and enhance the body’s perception of ambient sounds while supporting efficient health-related tasks. - Home relaxation: Use in living spaces or bedrooms to create a calm ambient environment, aiding relaxation, stress relief, and mindful activities. - Work environments: Use in offices or clinics to stabilize the ambient environment, supporting mental workload management and overall well-being.