Microphones Are Classified By Purpose

Built in microphone: A microphone set inside a digital camera for recording and shooting purposes.
Professional microphone: Functionally speaking, there are performance microphones, conference microphones, and recording microphones.
Wireless microphone: One type is dynamic microphone, with good sound quality and high price. Electret microphone is durable and has low sensitivity.
Capacitive microphone: It can exhibit the characteristic of reproducing original sound and has ultra-high sensitivity.