Schumann Waves Resonance Generator 0.01Hz to 30000Hz Adjustable Sine, Square and Reverse Wave 7.83Hz Ultra Low Frequency with Dust Cover for Relaxation(Green)

Versatile Application: Schumann Waves Generator offers sine, square and reverse square wave options. An acrylic dust cover is included to help protect the circuit board. Adjustable Frequency: You can customise the frequency from 0.01 Hz to 30000 Hz for greater efficiency and personalisation. Stable and Reliable: The Schumann Waves Generator ensures a stable frequency output with a default value of 7.83 Hz, a sine wave voltage amplitude of 3 V and a square wave voltage amplitude of 5 V. Compact and Portable: The Schumann Waves Generator has a compact size of 15x15 cm and is USB powered, making it easy to carry around at home or when travelling. Promotes Relaxation: The Schumann Wave Generator emits sine waves to create a relaxing environment and promote a sense of overall happiness. How to Use: Q1: How to adjust the output frequency? A1: Press the mode switch, then press the "0-9" and '.' buttons to enter the value, and press the OK button to confirm. For example, press [7][.][8][3], then press [OK], you can set to 7.83Hz, the default power-on output is 7.83Hz. Q2: How to turn on/off the LCD backlight? A2: On the center top of the LCD screen, there is a backlight switch button, just switch it to turn on or turn off the backlight., Manufacturer: shaojian