4 in 1 USB 3.1 Type C connector is perfectly suitable for office, conference rooms, home entertainment , school and training ,etc. You can connect your MabBook Pro, 2015 MacBook 12'' or other PC, phones with USB 3.1 Type C connector to HD(4K*2K)/VGA+Aduio+USB2.0, such as HDTV, LCD monitors, projectors, etc. Watch your favorite moves, share your photos, presentation, shows on big screen.