USB-C to HDMI adapter support for resolutions up to 3840x2160@60Hz (4K). Please note the Apple 12" MacBook ONLY supports up to 4K@30Hz. Please use a HDMI 2.0 cable in order to enjoy the 4K resolution. Plug and Play; no software installation required. USB-C to HDMI adapter can easily connect your HDTV, monitor, computer, tablet, projector and other HDMI display.