Earphone

Earphones are a type of audio device that falls under the supply class Headsets, Handsets, Microphones, and Speakers in the supply group Electrical and Electronic Equipment Components. They are small speakers that are designed to be worn in or around the ears, allowing the user to listen to audio privately without disturbing others. Earphones are commonly used with portable devices such as smartphones, MP3 players, and laptops. They typically have a 3.5mm audio jack or a USB connector for connecting to the audio source. Some earphones also come with built-in microphones for hands-free calling or voice commands.