Expand more ports to connect for more. ZIYUETEK 5-in-1 External graphics card features a 1080P HDMI output port, SD and MicroSD card readers, 2 USB Ports . small yet mighty, USB type-A interface design, suitable for almost all computers; Please note that this device requires Pre-installed drivers and does not support plug-and-play and HDMI audio output | Mirror or extend your screen with ZIYUETEK USB adapter HDMI port and directly stream 1080p to HDTV, monitor or projector. Cooperate with DAC audio output equipment (Need to prepare by yourself),You could enjoy movies with your family on bigger screen, or making a vivid presenting in a meeting.(HDMI output function Not suitable for mobile phones or tablets) | Built in SD and MicroSD slots easily access files from universal SD card and Micro SD card; This built in card reader transfers data with highest speed up to 100MB/S, sharing all your interests on your social network freely. | The all-aluminum alloy shell enhances the resistance to electromagnetic interference while enhancing heat dissipation,It not only effectively extends the service life, but also enhances the strength of the body, so that you can easily carry it around without worrying about damaging it. | This device comes with its own driver, just need to connect to the computer, It can generate a drive letter in "My Computer", in which you can find the driver that the device needs, just double-click to install it, and the preparation is complete.