This machine adopts the excellent performance of the Android conference system and the most cutting-edge operating system WINDOWS7 / 10. It integrates Wireless screen transmission, computer screen projection, paperless conference and other functions to realize three-dimensional conference services. Multi-touch can instinctively. The operations of zooming, rotating, and annotating pictures, videos, web pages, and documents are performed naturally , making the touch more brisk and smooth, and bringing the touch experience to a whole new level, which fully reflects the unique charm of human-computer interaction.