Feature: 1. Promote Relaxation and Well Being: The generator emits a sinusoidal wave that helps create a relaxing environment and promotes overall well being. 2. Adjustable Frequency Range: With an adjustable range of 0.01‑100000Hz, you can customize the frequency according to your needs, allowing for enhanced effectiveness and personalization. 3. Multiple Waveforms: This generator provides multiple waveforms including sinusoidal, square wave, and inverted square wave, allowing for versatile applications and a wider range of uses. 4. Compact and Convenient: The PCB board size of the generator is 15x15cm, making it compact and easy to carry. It can be powered by a USB interface, providing convenience for both home and travel use. 5. Stable: The Wave Generator ensures stable frequency output, with a default frequency of 7.83Hz. The waveform signals have voltage amplitudes of 3V for sinusoidal wave and 5V for square wave. Specification: Item Type: Generator Material: PCB Board Size: Approx. 15x15cm / 5.9x5.9in Antenna Waveform: Sine Wave Interface Waveform: Sine Wave, Square Wave, Inverted Square Wave (the Lower Left Corner Is The Output Interface, Waveform Output At The Same Time) Power Supply Interface: DC5.5x2.1 Supply Voltage: 5V Rated Power Consumption: <1W Default Frequency: 7.83Hz Adjustment Range: 0.01‑100000Hz Sine Signal Voltage Amplitude: 3V Square Wave Signal Voltage Amplitude: 5V Color: Green. Package List: 1 x Generator 1 x USB Cable Note: All data are measured manually, and there are certain errors in the measurement results.