The USB3C-VGAUSB-WPD is a USB-C to USB 3.0, VGA and USB-C charging port hub.The USB 3.0 port allows you to connect a USB device to the host computer or another hub.The USB-C female port can charge the host computer and supply power for the adapter at the same time.The VGA port allows you to connect an extra monitor so that you can watch videos or slideshows on the big screen. It also features a USB-C female port so you can charge for the host computer and supply power for the adapter simultaneously. It can work on Macbook