USB C to HDMI and Displayport adapter cable can output a DisplayPort and HDMI signal it can be used in mirror screen and extend modes. This is ideally suited to laptops with two USB type C ports so that one can be used for charging and one can be used for this multi display adapter. Please note that this is not an MST hub but the ports can be used simultaneously. If using both ports the DisplayPort output will be downgraded to 4k 30Hz. Features USB C input to HDMI and Displayport output Cable length 9cm Connects USB C equipped devices to displays such as TVs or projectors Supports HDMI resolutions of up to 4k 30Hz Supports DisplayPort resolutions of up to 4k 60Hz Supports mirror mode Supports extended mode Black Aluminium shell USB bus powered (no external power supply required)