What is an earphone?
Earphones are a little piece of electronic equipment that fits over or inside your ears. It can be used to listen to music, the radio, or your phone in private.
### Instruction: What is an earphone?
### Context: 
### Answer: Earphones are a little piece of electronic equipment that fits over or inside your ears. It can be used to listen to music, the radio, or your phone in private.</s>