1.[USB C Hub]: The 12-in-1 USB Type C hub includes Ethernet/RJ-45 ports, Type C PD charging ports, 2 USB 3.0 ports, 2 USB 2.0 ports, 2 HDMI video outputs with 4K resolution, VGA, and Micro SD and TF card readers. 3.5mm audio port. 2.[Ultra HD 4K output and triple display]: Use a USB C adapter HDMI port to mirror or extend the screen and stream 4K UHD or full HD 1080P video directly to an HDTV, monitor or projector for a movie-like visual feast. 3.[Triple display]: One shows HDMI1 output, one shows HDMI2 output, and one shows VGA output, but only Windows systems support MST, and Mac OS does not. Screen switch shortcut: Windows + P. Triple display makes it easier for you to manage multiple applications. 4.[Reliable and ultra-fast data synchronization]: Two 3.0 USB ports support transfer speeds of up to 5 gaps. Two USB 2.0 ports with 480 Mbps transfer speeds. Because USB 3.0 RF interferes with wireless connections, it is recommended to connect the USB 2.0 port on the other side of USB 3.0. 5.[Wide compatibility]: Compatible with the latest laptops and smart devices with USB C ports: Mac book 12 '/ Pro, Mate Book X, mi air12. It's 5/13. 3, Google chrome-book 2016, etc. Works on Windows 7/8/8. 1 in 10, Mac OS X 10, 6, Linux 2.6.14 or later;