1、[4K High Resolution] HD multimedia interface port supports 4K video output and high quality sound output. HD picture quality, significantly enhance your visual effect. External wireless antenna, 10m wireless signal coverage, perfect business meeting, home theater, gaming experience. 2、[5G, 4G] This wireless display receiver is equipped with 5G, 4G dual band external antenna, which can better resist signal interference, prevent delay and freeze, 0 delay. The high speed processor provides ultra HD video and images with reduced heat generation. 3、[Unique Look] This wireless display dongle sets wifi through the button on the dongle. It is also designed with four suction cups at the bottom to hold it in place. It can mirror the screen of mobile phone, tablet and laptop to large TV and projector screen. 4、[Wide Use] This wireless display adapter can be used to wirelessly share PPT, emails, documents, teaching content, photos, videos, movies, etc. Take it with you when you travel and share your phone to your TV anytime. Cast your tablet screen to an HD multimedia interface enabled device such as a projector. 5、[Powerful Compatibility] The wireless co screen device works with the existing for DLNA, for Miracast, for Airplay mirroring, for EZMira and other screen projection protocols to realize the conversion from small screen to large screen, making life colorful and supporting multi platform system screen projection.