Cast Small Screen to Large Screen: This HD dongle wirelessly casts your smartphone, tablet or laptop to your hd TV/projector/monitor, no cables needed. All in One, Widely Compatible: Cast Small Screen to Big Screen. Small screen needs to be DLNA / Airplay / Miracast protocol supported. Large Screen needs to be HD equiped such as HD TV, monitor, projector etc. This HD wifi display dongle is compatible with iOS 9 + / Android 5.0 + / Mac / Windows 8.1+ devices. Note: NOT Compatible with Neflix, Hulu plus, or other HDCP copyright apps. Easy Operation: Pair the wireless display adapter with your phone or tablet or laptop screen to mirror the screen, no driver and APP needed, no messy cables. We do have an EZMira app. No need to download the app unless your Android phone does not support Miracast protocol. One adapter supports all system device, connections are different on different systems, ONLY focus on your own device and connection. Please read the User Manual to the detailed connection. Wide Usage: Can be used for sharing images and videos to TV/Project at home, showcasing a presentation in a meetings or conference or classroom, live broadcast, education, business, ect. Regular OTA Update: We will regularly update the firmware from the cloud server to add features and improve compatibility. Connect this dongle to your wifi and it will be upgraded automatically, keep up with the est version of your iOS/Android/Windows device anytime.