USB Type-C Hub Adapter Docking With HDMI 4K Output, TF SD Ca

Usb type-c hub adapter docking with hdmi 4k output, tf sd card reader, 2 usb 3.0 ports for 2016/2017 macbook protype c aluminum hub for macbook pro with hdmi and card reader * aluminum ultra thin about an ounce for portable to anywhere * charging your laptop while power adapter connecting thunderbolt 3 usb-c pass through port * upstream usb-c port supports data transferring and video streaming * downstream 2 x usb 3.0 ports allow you to connect usb devices to laptop * compact usb 3.0 card reader supports sd and tf/microsd memory card * hdmi supports 4k output through vesa alternate mode mirrors or extended * built-in billboard function