Multi Ports: Dual USB 3.0 ports support data transfer speed up to 5Gbps, giving seamless access to wire keyboard, mouse, USB flash drive, hard disk, etc. The card slot works with SD, SDHC, SDXC and MMC cards 4K Vivid Video Output: Mirror or extend your screen with the HDMI 1.4 port and directly stream video to HDTV, monitor or projector. Support 4K@30Hz UHD or 2K@60Hz Full HD, downward compatible with 1080P, 720P, 480P