3.5V Rechargeable Otoscope is a professional diagnostic instrument designed for clear and precise examination of the ear canal and tympanic membrane in ENT and general clinical applications. It combines bright illumination with magnified optics to provide a detailed view during routine examinations. Typical 3.5V rechargeable otoscopes use fiber-optic illumination, optical magnification, and a rechargeable battery handle, offering convenient and reliable operation without frequent battery replacement.