Earphones are small audio devices designed to fit snugly in or over the ears. They connect to various devices, such as smartphones, tablets, and computers, allowing users to listen to music, podcasts, or other audio content privately. Earphones come in different styles, including wired and wireless options, catering to personal preferences and convenience. Typically, earphones consist of two speakers connected by a cable or through Bluetooth technology. They often include features like built-in microphones for hands-free calls and controls for adjusting volume or skipping tracks. Popular brands include Apple, Sony, and Bose, each offering various models to suit different needs.