Features: Experience precise Schumann waves generation with our plugs and play adjustable frequency generator, delivering reliable performances with ≤1% output deviation for seamlessly integration into your setups. Crafted from durability ABS material, this device offer lightweight portability and effortless operation through direct power connectivities. Ideal for researcher, audios enthusiasts, and wellness seekers requiring customizable frequency outputs for experiments, sound therapy, or environmental harmonization. Enhances workspaces efficiency in lab, home offices, or studios by generating targeted frequencies to support focusing, relaxation, or equipment calibration. Experience unparalleled frequency stability with our Schumann Waves Generator, featuring sine waves adjustable from 0.1HZ~99999HZ, for precise applications. Specifications: Component:ABS Size:Approx.7.73x10.78cm/3.04x4.24inch Working voltages: 5V Defaults Frequency:7.83hz Adjustment Ranges: 0.1HZ~99999HZ power consumption: <0.5W Equipped with 3.5mm Music Output Interfaces Antennas waveform: sine waves Power supply interfaces: Type C interfaces Package Includes: 1pc Schumann waves Generator (with Shell) 1pc Power Cord note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.