USB Type C to USB 3.0 3 port hub with built in sound card will allow you to add a 3 port USB 3.0 hub plus 3.5mm stereo audio out and Mic ports. It acts as USB 3.0 hub allowing connection of various USB devices such as flash drives etc. Some devices may need their own external power supply to work with this hub. Specification USB Type C to USB 3.0 3 port hub + 2.1 Channel sound card Supports stereo output Supports microphone input Supports USB 3.0 superspeed full size type A USB sockets Aluminum Housing