1. It can wirelessly share the screen on the Android phone to the conference system. 2. Can push files (music, video, pictures, Office documents, e-books, etc.). 3. Can wirelessly control the projection software (direction, volume, shutdown, software opening control, etc.). 4. The screen sound can be shared wirelessly through the camera and microphone. 5. It can reverse mirror, accept the screen of the projection software, and can multi-touch and synchronize annotations.