6 in 1 USB C Hub: Connect to your USB C devices with the multiport USB C hub featuring an 4K@30Hz HDMI port, a SD card reader, a TF card reader, a VGA port, 2 USB 2.0 Ports. This USB C hub applies to all laptops with type c port. High Definition Display USB C Hub: The laptop dock's HDMI and VGA ports can mirror or expand videos to external one or dual monitors. For OS system, it is also a mac mini dock, In the extended mode, of using HDMI and VGA at the same time. Remarkable Resolution USB C Hub: HDMI supports up to 4K@30Hz(Need your display supports 4K display and use 4K HDMI adapter cable), VGA port supports up to 2K@60Hz, the VGA port is downward compatible with 1080P/720P. It will be 1080@60Hz if HDMI and VGA work simultaneously. You could enjoy the video or picture in high resolution from your expand or mirror. 2 USB A Ports and SD/TF Reader: 2 USB 2.0 ports are best used for your mouse, keyboard and other low rate devices. The built-in SD and TF slot allows for easy access to files from universal SD and TF memory cards.( Don't support SD card and TF card to read simultaneously) Compatible Multi System: Plug and play, no additional driver needed. Compatible with the latest laptops and smart devices with USB C port: Dell XPS, Dell ALIENWARE, ASUS, HUAWEI MateBook, HP Spectre Notebook, ThinkPad etc. Work on Windows 7/8/8.1/10, Mac OS X 10.6 or higher operating System. (For more information, please refer to the user manual.)