Phonak also sells an invisible hearing aid, the Lyric, which is professionally inserted within your ear canal. Customers can choose hearing aids with Bluetooth features and rechargeable batteries.

Oticon’s Opn hearing aids are available in eight colors as receiver-in-ear, behind-the-ear and in-the-canal models. This line features Oticon’s invisible-in-the-canal hearing aid as well.

I analyzed a mix of in-ear, over-the-ear and in-canal hearing aids to help you understand what you're in for when it comes to key features, sound quality and more if you need to buy OTC hearing aids.

Nano Hearing Aids, (888-310-NANO), a leader in FDA-registered over-the-counter (OTC) hearing aid technology, has introduced a ...