A Temprary Microphone !
Do you know ?There is an interesting fact about Headphones i.e. they can also be used as a microphone !Technically :There is not much difference between the circuits of a Microphone and a Headphone , just the headphone is designed to spread voice and an microphone to capture the voice !Working : So if you connect the headphone in the microphone slot of your computer, you could use it as a