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.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is an earphone?
### Input: 
### Response: 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.