Hearing Aid

technology · health · sound · devices

Sound amplifiers. Hearing aids work by picking up sound waves through a microphone, making them louder, and sending the amplified sound into your ear through a tiny speaker called a receiver.

Custom-fitted devices. Each hearing aid is specially adjusted for a person's specific type of hearing loss, because people hear differently and need different amounts of sound boost in different frequencies.

Smart processing. Modern hearing aids use computer chips to filter out background noise, recognize speech, and even connect to phones and other devices through wireless technology.

Surprisingly small. Today's hearing aids are so tiny that some fit completely inside the ear canal, making them nearly invisible while working all day long on just a small battery.

Medical classification. Hearing aids are regulated as medical devices in most countries, which means they have to meet strict safety and quality standards to help people safely.