Both HDMI output support and VGA VIDEO monitor / HDTV, HDMI also supports audio output, but VGA does not have this capability.Product use: MSI motherboard computers, Apple MacBook Type-C, Lenovo, Dell, Huawei, Xiaomi, Hewlett-Packard computers, Google computers are mainly intended for thinner, thinner and thinner output device video ..Support 4K Max: Support video resolution up to (4K * 2K) at 3840 * 2160p / 30Hz. When using HDMI alone, it supports large LCD TV or display compatible with 4K max output.Output interface: external high-definition VGA, HDMI equipment such as: projector TV display with high-definition equipment, used in Apple MacBook Air 12 inch laptop USB3.1 output to external high-definition VGA equipment. To enjoy 4K HD images, please use HDMI cable version 1.4 or higher, and 3 + 9 VGA cable, we strongly recommend HDMI cable to connect inside 5.9ft display for output stable.