1、Use: This product is schumann wave 7.83HZ very low frequency generator, improve the human body's perception of sound and images, improve human health to improve the efficiency of the work of the creation process, insomnia, mental tension and so on also have a certain effect. 2、Power Output: Low frequency pulse schumann wave generator's output adopts hifi drive amplifier circuit, the output power is stable. 3、Signal Source: Schumann wave pulse generator using DSP signal synthesis technology, with signal stability, high frequency stability. 4、Applications: for sound visual space to enhance the sound field and sound visual effects; for bedroom to help sleep and tranquilize the mind, adjust insomnia; for office relaxation, improve work efficiency; for creation space to improve inspiration. 5、Premium Material: Schumann wave pulse generator is made of premium acrylic and PCB material, durable, stable performance and long service life. Item Type: Schumann Wave Generator Material: Acrylic, PCB Size: Approx. 100x85x10mm / 3.94x3.35x0.39in Signal Source: DSP Signal Synthesis Technology Supply Voltage: 5V (USB Interface) Rated Current: 0.5A 1 x Schumann Wave Generator 2 x Acrylic Stand 12 x Screws 4 x Nut 1 x Power Supply Cable