Hearing aids are small electronic devices designed to amplify sound for individuals with hearing loss. They consist of a microphone, amplifier, and speaker, which work together to enhance sounds in the environment, making it easier for users to communicate and engage with others. Hearing aids can be customized to fit the specific needs of the user, providing varying levels of amplification and sound processing. Modern hearing aids come in various styles and technologies, including behind-the-ear and in-the-ear models. Many are equipped with advanced features such as Bluetooth connectivity, allowing users to stream audio directly from their devices. With proper fitting and adjustment, hearing aids can significantly improve the quality of life for those with hearing impairments.