The 4k 5G Wireless Display Dongle is a 2nd generation device that allows you to stream your favorite content in stunning 4K resolution wirelessly. With HDMI output and Wi-Fi connectivity, this black dongle is compatible with Android operating systems and supports audio/video outputs for a seamless viewing experience. Made by the brand Google Chromecast, this product is perfect for those looking to enhance their entertainment setup with high-quality visuals and convenient connectivity options.