4K video display: The CastView streaming device supports up to 4K video display and can mirror the content shown on your device screen, including patterns, videos, games, and movies. performance wireless transmission: Built with an extended cable for easy plugging into your TV and an external wifi antenna to improve signal strength. It enables smooth streaming of video, audio, photos, office documents, and websites. Wireless and easy connection: No apps and no Bluetooth needed. Connect to your TV and power, then use the mirror function on your device to cast in minutes. Wide applicability: CastView is compatible with any TV model manufactured since 2003. Simply plug CastView into your TV's HDMI port to start enjoying unlimited entertainment. Use scenarios: Home entertainment: Mirror your phone or tablet to the TV to view videos, games, or photos in up to 4K for family movie nights or casual viewing without setup complexity. Office or classroom presentations: Cast documents, websites, and videos to a larger screen without apps or Bluetooth, making quick, wireless presentations easy. or shared spaces: Use CastView to display content from laptops or mobile devices on a TV across bedrooms, living rooms, or common areas with a straightforward, cablefriendly connection.