Wireless monitor - Wireless adapter allows you to watch videos from small to large screen devices. Wireless display from small to large screen, supporting 1080P, enjoying high-quality images. 4K video display - The smartphone adapter supports up to 1080P video display and can mirror the content displayed on the device screen, such as patterns, videos, games, movies, etc. Practical design - With an expansion cable design, it can easily be plugged into a TV. Equipped with an external WiFi antenna, it confirms a strong WiFi connection, is easy to install, and provides better signal. Portable and durable - ensuring high-speed transmission and clarity of high-definition video and digital audio. High quality PVC material, durable and lightweight. Easy to use - connect and cast in just a few minutes. Simply connect it to the TV and turn it on, then find the mirroring function on the device to play.