Hearing aids can be expensive, but if you only have light or moderate hearing loss, an over-the-counter (OTC) option might be ...

This receiver-in-canal model is good for mild to severe hearing loss and includes the option for a built-in rechargeable battery. These hearing aids are smartphone-compatible and can connect to ...

an amplifier to process it and a receiver, also known as a speaker, to deliver the sound into the ear. Hearing aids are powered by batteries; most today have a built-in rechargeable battery.