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invisible hearing aid G-16D 1.What is an invisible hearing aid? In fact, the so-called invisible hearing aid is a hearing aid installed deep in the ear. The size of such hearing aids is much smaller than that of common hearing aids. A 90-degree view of the wearer's side can achieve 100% invisibility, which means that even if you are sitting in front of you, you will not find that you are wearing a hearing aid. The function is the same as a general digital hearing aid. The first manufacturer of invisible hearing aids is Starkey, but now every manufacturer can make the same excellent hearing aids, such as (China's earsmate hearing aid manufacturer) 2. Invisible hearing aid function advantage: Comparison of invisible hearing aids and CIC wear Due to its shape and wearing position, invisible hearing aids have more advantages in acoustic characteristics than in other types of hearing aids. 1. Helmholtz resonance effect Marshall believes that because the auricle