Connect your macbook with usb-c port to an hdmi display, while also connecting a standard usb device and a usb-c charging cablemirror your macbook display to your hdmi-enabled tv or display in up to 1080p at 60hz or uhd (3840x2160) at 30hzuse the standard usb port to connect devices such as your flash drive or camera or a usb cable for syncing and charging your iphone, ipad, or ipodnote: the apple usb-c digital av multiport adapter is not compatible with the g-tech g-drive mobile usb 3.0 hard drive (apple part number hf4f2vc/a)system requirement:requires an hdmi cable (sold separately) for connection to your tv or projector. Supports both video and audio output.Compatible with the following computers: 12-inch macbook, 13-inch macbook pro - thunderbolt 3 (usb-c), 15-inch macbook pro - thunderbolt 3 (usb-c), 21.5-inch imac - thunderbolt 3 (usb-c), 27-inch imac - thunderbolt 3 (usb-c)