Recorders are electronic devices used for capturing audio and video recordings. These devices come in various sizes, shapes, and functionalities to suit different needs. They are commonly used by professionals such as musicians, journalists, and students for recording lectures, interviews, meetings, and music performances. Recordings can be stored digitally on internal memory or external storage devices such as SD cards. Some recorders also offer features like noise cancellation, voice activation, and built-in microphones for high-quality recordings. The primary purpose of a recorder is to capture and preserve audio or video content for playback or further processing.