Astrotek USB C Dock, 6 in 1 DockW, with 1X HDMI, 1XUSB-C, 2XUSB3.0 Type-A, SD cardX1, EthernetX1 4K Video Output PD charging, Alumium house Windows 10 Just one single USB-C cable to transfer data, connect to monitor with HDMI devices Eliminates the hassle of connecting multiple cables for video data separately. 1000Mhz Gigabits Ethenet support SD Card Reader support USB 3.0 Port, Max. 5.0 Gbps User Interface Input USB-C x 1 Output HDMI x 1 USB 3.0 Type A x 2 SD CARD x 1 Ethernet x 1 Physical Characteristics Colour Space Grey Length 15cm Resolution Single display HDMI_ 3840x2160@30 Hz System Requirement USB-C Ports with DP alt Mode, Windows 10 and above, Chromebook and Mac OS Sierra (only supports single display) Warranty 1 Year