If you have not seen a hearing aid, it is basically a small electronic device that you wear in or behind your ear. It amplifies certain sounds so that you can hear better. It allow a person who suffers hearing loss listen, communicate, and participate more fully in daily activities.
The beauty of a good hearing aid is that it helps people hear more in both quiet and noisy situations. Believe it or not, only about one out of five people who would benefit from a hearing aid actually uses one. Most people either don’t want to wear one, or just simply unaware of its benefits.
A hearing aid has three basic parts: a microphone, amplifier, and speaker. Over the last 2 decades, hearing aids have become better, more powerful, smaller, and cheaper. You can purchase one simple sound amplifier for less than $20. The high end hearing aids can go up to around $200.
It all depends on your personal need and life style. But you should have your hearing checked by a health professional before you purchase any hearing aids.