1. Broadband adjustment: adjustable from 0.1Hz to 99999Hz, flexible coverage of application scenarios to meet different needs. 2. Button operation: With a simple and convenient design, even beginners can easily get started and operate without any pressure. 3. wave simulation: Simulating natural wave of 7.83Hz on Earth can help relax body and mind and promote health. 4. High integration design: Digital circuits replace analog circuits to improve anti-interference ability and system stability. Antenna waveform: sine wave Power supply interface: Micro-USB interface Supply voltage: 5V Rated power consumption: Less than 0.5W Default frequency: 7.83Hz Adjustment range: 0.1Hz~99999Hz Color: Green & Gold Material: PCB Package Contents: 1 * Wave Generator 1 * USB cable (random colors, don't accept specified color) Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.