... you to write, move, rotate, zoom in/out object and shift page, etc. with your finger instead of ... Mode, and Full Screen Mode;Practical functions -- in addition to writing and drawing, it provides other ... Bluetooth WIFI, and earphone can be built in;The operating page can be stretched;Abundant teaching resources -- the ... surf the website: http://en.xuezhiyou.com All in one PC touchable TV LED/LCD TV