The microphone is an input audio device.
The microphone has the ability to input sound into the machine and then output it with a horn.
The microphone is used to amplify and transmit sounds. To chat with other people through the Internet, you need a microphone that the other party can hear, such as teleconferences, online k songs, etc.
Microphones are also divided into desktop, handheld, and capacitive. You can choose the right one for your needs.