Easily add a 4K HDMI display to most Thunderbolt 3 technology or USB-C DisplayPort Alt enabled computers, laptops and Ultrabooks. Note: The USB-C source connection must support DisplayPort Alternate Mode in order for the adapter to pass video and audio. Supports High Definition (HD), Full HD (1080p), and Ultra HD (4K) resolutions and 7.1ch sound to your HDMI display. Supports Thunderbolt 3 technology and USB-C with DisplayPort Alternate mode (DisplayPort Alt). Allows mirror, extended or primary display modes working in conjunction with your system's graphics adapter, allowing flexible support for presentation, gaming, and multimedia applications. USB-C connection with non-directional plug design allows reversible plug-in orientation you will always plug the cable in on the first try. Compact and lightweight convenient to use at home, office or travel makes this adapter the perfect add-on to your workstation. Bus powered for extra portability, no need to take along an external power adapter when traveling. Convenient plug and play operation, no driver installation required.