A radio receiver is an electronic device that captures radio waves and converts them into sound. It works by using an antenna to pick up signals transmitted through the air, which are then processed to extract the audio content. This allows users to listen to various broadcasts, such as music, news, and talk shows. Radio receivers can be found in many forms, including car radios, portable devices, and home stereo systems. They often include features like tuning controls and volume adjustments, enabling users to select their desired station and enjoy clear audio. Popular types of radio broadcasts include AM and FM radio.