Low Frequency Pulse Sound Improvement Replacement for Wave Generator FM783

This white plastic device generates a 7.83Hz sine wave using an internal rechargeable lithium battery and a programmable smart chip. It features adjustable settings for waveform, frequency, and power, along with an LED battery indicator for monitoring charge levels. 1. Constructed from white plastic with a built-in lithium battery that charges through a micro-USB connection. 2. Uses a programmable smart chip to create a 7.83Hz sine wave with consistent frequency accuracy and stability. 3. Supports manual adjustment of waveform, frequency, and power configurations, while operating at fixed settings by default. 4. Features four LED indicators that flash continuously during the 5V, 0.08A charging cycle. 5. Package includes one Schumann Wave Generator unit, with no additional accessories included.