Free speech unit for a hearing aid has a connection to a microphone and such as a mobile telephone

摘要

The hearing aid [1] is of a 'behind the ear type' and has the normal coil [5] coupled to a cable [7] that connects to a microphone [9] This also connects to a plug [17] that is used to provide a direct connection to an item of equipment such as a mobile telephone. A clip [16] allows the unit to be attached to an item of clothing.