Can invisible hearing aids have Bluetooth?
Invisible hearing aids and in-ear custom machines are divided into deep ear canal, ear canal and ear cavity hearing aids. These three hearing aids are located in the deep part of the ear canal, the ear canal and the ear cavity, and the volume is increased sequentially, which is suitable for mild to severe hearing loss.IICInvisible hearing aid. Deep ear canal andIICBecause the volume of the hidden hearing aid is too small, there is no Bluetooth function for the time being, and the other two parts are available.
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