Non-medical therapeutic electrical brain stimulation device for improving sleep quality for household use only; non-medical therapeutic electrical brain stimulation device for stress relief for household use only; non-medical therapeutic electrical brain stimulation device for mental relaxation for household use only; non-medical therapeutic electrical brain stimulation device for enhancing concentration for household use only; non-medical therapeutic electrical brain stimulation device for relieving dementia symptom by using sound vibration in the form of music for household use only; non-medical therapeutic electrical brain stimulation device for relieving dementia symptom by using sound vibration for household use only.
Medical Apparatus