Mandelay Q9 is a certified Class II medical device, which categorizes it as suitable for use in hospitals. Many countries have adopted the frequency-based approach to disease causation. For example, China utilizes such devices in 70% of its hospitals, integrating them into the healthcare system. Countries like Norway, Finland, Sweden, and many others offer their insured individuals the option to choose between conventional Western medicine and biofeedback therapy, with the cost covered by the state. The device has been developed through extensive research and development to combine holistic medicine with advanced quantum technology.