Thank you for viewing. This is the Yehua Wireless Display Dongle Cast, which allows you to display your smartphone or computer screen on your TV. You can display YouTube, games, browsers, and photos from your smartphone or computer on your TV. You can project photos, videos, and data stored on your smartphone onto the large screen of your living room TV, so you can enjoy it at family birthday parties, reunions, movie nights, or use it for presentations without having to carry a heavy computer, which is convenient. The second half of the instruction manual is in Japanese, and it also states that you can search for "Yehua" on YouTube to find how-to videos, which are easier to understand, so please refer to them. It seems to support the following types: ① Miracast standard for Android and Windows platforms ② Air image for Apple iOS and Mac series ③ DLNA for home multimedia applications HDMI Cast Mirroring Miracast HDMI Stick Wireless WiFi Display Dongle WiFi Miracast Dongle Receiver iOS Android Windows Mac TV Monitor Projector Support Miracast Airplay DLNA I accidentally purchased this on Amazon, but I haven't used it myself, so I haven't checked the details. Depending on the model you are using, there may be lag or stuttering in the video. I haven't tested it on various models, so I cannot answer detailed questions. Please consider this only if you understand that there may be some inconveniences. This item has been in someone's hands once, so please refrain from purchasing if you are looking for a new item or are very sensitive. [Free Shipping] We aim for speedy delivery within 24 hours of purchase. Please read the profile before purchasing. #Yehua #WirelessDisplayDongle T811M1KT0