While many modern computers–PCs and Macs alike–have built-in microphones, many older computers do not. Therefore, if you want to record your voice or talk to people online with your computer, you will have to purchase an external microphone. External microphones for computers come in a few different varieties. Most computer microphones connect to the computer either by USB, Bluetooth or through the “Audio In” line on the computer. If you want to test your microphone online, several websites will allow you to do so. Writer Bio
