Features of this model: The model is zoomed out 6 times and can be divided into three parts, detailing the middle ear, the inner ear, the labyrinth, the bony labyrinth and the cochlear structure intact, where the tympanic membrane and the labyrinth can be removed. It is a practical model for medical education and physician-patient communication. It features a digital logo, which is more convenient for users. Model Dimensions: 6 times magnification, can be divided into 3 parts, height 23 cm, width 33 cm, thickness 22.5 cm Model Material: PVC material, paint, color matching computer, high-level painting.? The detailed description of the human anatomy, middle ear and inner ear anatomy have dozens of parts that indicate signs. ? It consists of five parts: the outer ear, the middle ear, the humerus rock and the labyrinth of the inner ear. It also shows the structure of the auricle, the external auditory canal, tympanic cavity of the middle ear, tympanic membrane and the auditory ossicle, eustachian tube, humeral rock and inner ear labyrinth. ? The ear includes the outer ear, the middle ear and the inner ear. The auditory sensory receptor and the sensor is located in the inner ear, and the ear is also called a listener. ? The part of the outer channel of the tibial rock of the model can be moved, lost and can be collected and open and the tympanic membrane, the bone of the hammer and the anvil can be separated. ? Some people have also listed the outer ear and the middle ear of the listener as appendices. The outer ear includes the auricle and the external auditory canal.