4 IN 1 USB C Docking StationUSB C Docking Station Dual DisplayPort with 2 DP(4K@60Hz), HDMI(4K@60Hz), VGA(1080P@60Hz). ***Please note: If you use it to connect to a Macbook, it only supports mirror mode, not supports extended mode, no matter how many monitors you connect Dual Display Port SplitterThe USB C Hub works as a USB C to dual dp adapter, display resolution max up to 4K@60Hz, require your USB-C port support DP 1.4 Alt Mode