Two Display Flexibility - Only supports mirroring for dual external displays. HDMI and VGA port Support up to 4K(3840*2160) @30Hz and 1920*1080p @60Hz resolution respectively. You could enjoy the vivid 3D effect video in high-resolution from your USB-C computer to external monitor. HDMI port supports large screen LCD TV or display compatible with 4K Max output. Note: Resolution can only reach up to 1080p when HDMI and VGA using simultaneously.<br />Reliable and Safe Data Transfer - Three 3.0 USB ports support transmission speed rates of up to 5 Gbps, connect to your smart phone, tablet and hard drive for effortless data transfer. Two USB2.0 ports to support more stable connection with keyboard and mouse; Built in SD and TF slots for easy access to files from universal SD and Micro SD Memory Card; 1000Mbps Ethernet port (supports 10/100/1000Mbps speeds)ensures a more stable and faster network connection.<br />Incredible Compatibility - Compatible with laptops and smart devices with USB C port :Mac book 12”/ Pro, Mate Book X, MI Air 12.5/13.3, iPad Pro 2018, Google Chromebook 2016, Apple MacBook, Apple MacBook Pro, Apple I Mac/ I Mac Pro (21.5-inch, 27 inch), Dell, as US, HP, Lenovo, and many other Type C laptops. Also compatible with the cell phone (DP Alt Mode): Samsung Galaxy Note S10/plus, S9/plus, S8/plus, LG G5/V20, and Huawei high-end series<br />Entire Protect - Built-in intelligent chips, Up to100W design USB C Hub Dock, shorten the charging time with power delivery 3.0 (backward with PD2.0) provides over-current, over-voltage, over-temperature triple protection to ensure safety. To ensure that the interface works properly. Please connect PC port with hots before used">