Features: Experience the calming effects of the large power Schumann waving Generator, designs to release a 7.83Hz waving that aligns with Earth's Resonants frequency for enhances relaxation and Attention. This generator features a stable 5W power output and a small , easy carry design, making it easy to operate and integrate into any environment without requiring additional connection or sound systems. Ideal for office workers, students, & health enthusiasts search to improve sleep quality, reduce stress, and enhances mental Clearness through exposure to beneficial electromagnetic waving. Perfect for use in bedrooms, offices, Meditations room, and creative space , this device enriches the physical energy atmosphere, promoting a harmonious environment conducive to relaxation and productivity. By neutralizing negative electromagnetic interferences , the Schumann waving Generator enhances auditory and visual experiences, allowing users to enjoy themselves fully in music and media while supporting overall well being. Specifications: Material: plastic Green Motherboards: about 100x84mm/4x3inch Clear accessories: about 100x84mm/4x3inch Package Includes: 1 set waving Generator note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.