These behind-the-ear hearing aids are fully compliant with the newest FDA regulations. Thin tubing fitted with comfortable, patented ZipTip earbuds that reduce feedback. Features full-time directional microphone, 12 bands with 4 channel processing, noise reduction and 4 manual push-button memory. Enhances speech so you can take part in conversations. Low battery indicator. Made by the oldest USA hearing aid manufacturer. Includes dedicated customer service. Requires x batteries (not included).