The Hearing Aid

A hearing aid is a tiny device that helps people who have trouble hearing. It fits in or behind the ear. It makes sounds louder so people can hear voices, music, and the world around them.

The History of Hearing Aids

Long ago, people used ear trumpets to hear better. These were big cone-shaped tubes held up to the ear. The first electric hearing aid was made in 1898. It was very big and heavy.

Over the years, hearing aids got much smaller. Today's hearing aids are so tiny that most people cannot even see them. Some fit completely inside the ear canal.

How Hearing Aids Work

A hearing aid has a tiny microphone that picks up sounds. A small computer inside makes the sounds louder. Then a speaker sends the louder sound into your ear.

Modern hearing aids are very smart. They can be adjusted to help with different types of hearing loss. Some connect to phones using Bluetooth so people can listen to calls and music directly through their hearing aids.

Fun Facts

• About 466 million people in the world have hearing loss.
• Today's hearing aids are smaller than a jelly bean.
• Some hearing aids can connect to smartphones using Bluetooth.

Did You Know?

Beethoven, the famous music composer, used a special ear trumpet to try to hear music after he started losing his hearing.