Schumann Wave Generator for better health and water quality

With the Schumann Wave Generator you achieve the 7.83 Hz earth resonance frequency. This frequency can help you sleep better and improve water quality. The generator is operated with a USB cable or a 5 V power bank (power bank not included) and has an output of 2 W. Increase your well-being and your health by using the earth resonance frequency. Working frequency: 7.83Hz Product name: Schumann Wave ultra-low frequency pulse generator Power supply: USB cable or 5V power bank (power bank not included) Power: 2W Country of origin: China Product type: Schumann generator Input: 5V DIY accessories : Electric, Brand: FGHGF