Today, many computers (especially ultrabooks and laptops) have no audio port, due to the trend of “SLIM”. In order to make the devices slimmer and slimmer, the audio port is abandoned. This a converter which converts a USB port to an audio port. It allows you to connect to microphone and headset to your computers directly. It’s very simple to install and use. Just plug the converter to your computer, then connect a microphone and headset to the converter. It’s also an alternative solution to replace a spoiled sound card, it’s cheaper and simple.