Email: sales01@zhongdehearing.com Tel:86-13530912856 Whatsapp:86-13823665467
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Email: sales01@zhongdehearing.com Tel:86-13530912856 Whatsapp:86-13823665467
BTE HERING AID (behind the ear) is most suitable for patients with otitis media, because during the onset of the disease, using an ear canal type hearing aid is prone to damage, which increases the cost and lowers one's satisfaction and confidence in the hearing aid.
BTE hearing aids have been a popular type of hearing aid in the world in recent years. It assembles the microphone, amplifier, earphones, and battery in a small banana shaped curved box, with a length of 3-4 cm. The upper outer opening is connected to a sound guide hook, which hangs the hearing aid on the back of the ear, and connects the sound guide tube to a small plastic tube and the wearer's ear mold. After inserting it into the external auditory canal, it can be used. The advantage of BTE hearing aid is that it is placed behind the ear and has no frictional noise. No enhancement of low-frequency reflection in the human body. The volume is relatively large compared to in ear and in ear canal types, and it is possible to use some complex circuits to improve performance or enhance functions, such as installing dual microphones, induction coils, etc. BTE hearing aids are easily blocked by hair and are not easily detected, which to some extent meets the aesthetic requirements of deaf people. The 675 and 13 batteries used in BTE hearing aids have a longer lifespan, usually around 7-15 days, making them more economical. BTE hearing aid can be produced on a large scale with low costs. Disadvantages of back of ear hearing aids: Sweat on the head can easily seep into other parts of the microphone during hot weather or after exercise, causing the hearing aids to malfunction. Aesthetics are not as good as in ear devices. BTE hearing device require customized ear molds that can alter certain acoustic characteristics.
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