This device supports adjustable frequencies from 0.01Hz to 100kHz (hardware stability range: 0.1Hz 30kHz, for entry, bio-frequency experiments, and enhancement Featuring a clean sine waveform without distortion on both ports and interface ports, this generator provides smooth signal ideal for high-precision frequency applications This device with double power inputs works seamlessly with your power bank, USB charger, computer, or 5V adapter Compact design and low power consumption (<1W) make this generator work safely without overheating and is ideal for extended use in relaxation, research, or environmental optimization scenarios This wave generator utilizes advanced digital crystal oscillator technology to accurately produce 7.83Hz frequency with high stability and ensure consistent output for a variety of applications, Manufacturer: yanzunlrn