This digital waves generator covers a wide frequency ranges from 0.01Hz to 100000Hz, with a default output of 7.83Hz to simulate Earth ' s natural resonance frequency for enhanced relaxation and sleep It provides three waveform option to accommodate experimental, therapeutic, and signals application needs Featuring advanced digital circuitry technology, the device delivers stable without frequency drift during prolonged operate, outperforming traditional analog designs With compact dimensions and lightweight construction, the generator is easily portable for home, offices, or travel use, featuring simple operate with single touch frequency Operating on 5V USB power with less than 1W power consumption, this device can be conveniently powered by mobile for extended outdoor use, Manufacturer: KAHDGSS