TMWEFUSC Schumann Waves Resonance Generator 0.01Hz to 30000Hz Adjustable Sine Wave Resonance Generator 7.83Hz Ultra Low Frequency Generator Portable Signal Generator for Relaxation Sleep

Description This product is a 7.83 Hz ultra-low frequency Schumann wave generator with high precision and stability. Equipped with a USB cable, it is easy to use. Its compact size makes it easy to travel or carry on the go. Key Features Adjustable: You can customise the frequency from 0.01Hz~30,000Hz to improve efficiency and personalisation. Stable: This sine wave resonator uses a special chip to ensure stable frequency output, the default value is 7.83Hz. Specification: Product Name: Schumann Wave Generator Material: board: PCB Board size: 15 x 10 x 1.5cm Antenna waveform: sine wave (round only sine output without square wave) Power supply connector: DC5.5 x 2.1 Supply voltage: 5v Rated power: less than 1W Default frequency: 7.83Hz Adjustment range: 0.01Hz~30000Hz Sine signal voltage amplitude: 3V Color: Green Note: 1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2. Please allow slight dimension difference due to manual measurement.