TV set-top box - free access to all channels, TV set-top box, unbound screen TV evolutionWireless monitor - Wireless adapter allows you to watch videos from small to large screen devices. Wireless display from small to large screen, supporting 1080P, enjoying 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. 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store