USB C to HDMI & Displayport adapter cable can output a Display Port & HDMI signal it can be used in mirror screen & extend modes. This is ideally suited to laptops with two USB (Universal Serial Bus) type C ports so that one can be used for charging & 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 Display Port output will be downgraded to 4k 30 Hz. Features USB (Universal Serial Bus) C input to HDMI & Displayport output Cable length 9cm Connects USB (Universal Serial Bus) C equipped devices to displays such as TVs or projectors Supports HDMI resolutions of up to 4k 30 Hz Supports Display Port resolutions of up to 4k 60 Hz Supports mirror mode Supports extended mode Black Aluminium shell USB (Universal Serial Bus) bus powered (no external power supply required)