This wearable device emits low-frequency electromagnetic waves. The watch has over 500 settings! I wear mine on the ADHD setting often. It also has support frequencies for women's health, headaches, knee & neck pain, sinus infections, tinnitus, carpal tunnel, anxiety & emotions, mental Clarity, dental infections, allergies, tremor, PTSD, arthritis, asthma, better Sleep, kidney stones... the list just keeps going.