True is a small bluetooth hearing aids released by Beltone, that could be hidden as such that it does not look a user is wearing one. You will not have to yell in order to speak for someone over the line when using Beltone True hearing aids, as it act as a Bluetooth headset as well when receiving phone calls.

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Beltone True has a mic that clips to the persons clothes to pick up their voice for calls. The device also has a 2.4GHz wireless connection that streams the sound from a stereo, TV or computer to the hearing aid so the rest of the house can have some quiet.

[ Source: Beltone ]