Wireless Display---The wireless adapter allows you to watch videos from a small screen to a large screen device. Wirelessly display small screen to large screen, support 1080P, enjoy high-quality images.4K Video Display---The smartphone adapter supports up to 1080P video display, which can mirror the content displayed on the device screen, such as patterns, videos, games, movies, etc.Practical Design---Adopts extension cable design, which can be easily plugged into the TV. Equipped with an external WiFi antenna, it can confirm a strong WiFi connection, easy to install and provide better signals.Portable and Durable---Ensure high-speed transmission and clarity of high-definition video and digital audio. High-quality PVC material, durable and lightweight.Easy to Use---It only takes a few minutes to connect and cast. Just connect it to the TV and turn it on, find the mirroring function on the device and cast.