Dai3mimi uses the latest patented acoustic technology of material conduction system from a combined metal & plastic materials to transmit sound waves from the device into the inner ear through the skull directly, making hearing possible by bypassing the outer ear, the eardrum, and the middle ear where these areas are the most easily infected, damaged, and degenerated areas. Dai3mimi not only restores the hearing ability of the elderly but also provides mobile communication which enables telemedicine for hearing-impaired patients. It also helps relieve symptoms such as tinnitus, depression, and dementia through its patented rhythm vibration mechanism.