7.83Hz Schumann Resonances Generator Type-C Power Supply Sleep Audio Resonator Pulse Generator Ultra-Low Frequency for Home and Office Use Feature: 1. High Stability: The Schumann Wave Generator is made up of a highly stable pulse chip, precision calibration capacitors, and precision multi-loop adjustable resistors. This feature ensures high stability and accuracy in generating Schumann waves. 2. Promotes Relaxation: This ultra-low frequency pulse generator is beneficial for promoting relaxation, improving perception of sound and images, and reducing stress on the body and mind. 3. Stress Relief: The 7.83HZ pulse generator can help increase work efficiency and reduce mental stress, making it an essential tool for those looking for stress relief. 4. Easy-to-Use: This ultra-low frequency pulse generator with a C-type interface is easy to use and has high accuracy and stability. 5. Perfect Gift: The Schumann Wave Generator makes a perfect gift for friends and family members who suffer from insomnia or experience high levels of stress, providing them with a natural and effective way to promote relaxation and well-being. Specification: Origin: Mainland China Size: 8.2X10.0 cm Model Number: Schumann Wave Generator Spiral disc diameter: 82mm/ 3.22 inch Power supply: Type-C interface powered on Power: 1w Resonant frequency: 7.83Hz (adjustable around 10Hz) Working mode: 7.83Hz extremely low frequency electromagnetic wave, no sound Overall size: 82mmX100mm/3.22x3.93inch Usage Introduction: The Type-C interface can be used to plug in the universal mobile phone power cord and power it on. Once the indicator light is on, it can be used without any adjustment operation Shumanbo is suitable for quiet environment spaces, directly placed horizontally or vertically: placed on a tabletop about 1 meter high, about 1 meter away from the person. A Schumann wave generator is suitable for a space range of about 10 square meters. As the space increases, the number of Schumann wave generators also needs to increase. (Friendly reminder: This instrument does not have a battery and cannot be charged. It can be connected to a USB phone charger without current limit) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 xSchumann Wave Generator _x000D_