Built In Mic: This USB computer speakers has built-in high-performance speakers to provide high-fidelity sound and the built-in smart chip can effectively reduce ambient noise, bring you a clearer and smoother sound quality experience. 3EQ Sound Mode: Simply press the multi-functional button to switch between Bass / Balance / Voice Mode for various usage. You can choose bass or balance mode for different music style and switch to voice mode for online meeting or video.