For tinnitus, dizziness, and hearing concerns associated with aging. Just by breathing naturally, the auto-vibration function comfortably relaxes your eardrums. Includes main unit, instruction manual, and AAA batteries for operation check. Returns and exchanges are not accepted. Thank you for your understanding. I plan to remove this listing next month. If you are interested, please purchase soon! Clear Portable Eardrum Massager 【Authentic】 Portable Eardrum Massager Clear Meniere's disease Dizziness Tinnitus massage Eustachian tube ventilation Eardrum massage Sudden hearing loss Middle ear pressure treatment Semicircular canals, weather sensitivity Vibration frequency, tension relief Eardrum Massager