Wearing a behind-the-ear hearing aid is comfortable or invisible to the hearing aid
The back and back machine is comfortable or invisible, this is different from person to person. The invisible hearing aid is suitable for mild, moderate and partial moderate patients. The disadvantage is that the power is not big enough, it takes time to customize, and it can’t be directly auditioned. It has a certain difference from the use effect, and it is easy to block the ear. Because the machine is placed in the ear canal, It is susceptible to corrosion, grease and other corrosion, and the repair rate is high. The advantage is that the microphone is located at the external ear canal. The position of the sound naturally received by the human ear is almost the same, the sound is natural, the positioning ability is strong, and the concealment is good. The ear-back machine is suitable for any hearing loss population. The advantage is that it is powerful and easy to operate. Not easy to damage, suitable for children with growth and development, no need to customize, can be taken away at any time, the disadvantage is that the microphone is located above, easy to get wet, the auricle sound collection function can not be used, the shape is not beautiful, wearing the ear mold is easy to block the ear.
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