... computer, the TV, the whiteboard, the projector, audio system... The Touchable LED TV mainly applies to teaching, training, conferences, advertising, display ... to write, move, rotate, zoom in/out object and shift page, etc. with your finger instead of e-pen;Adopt 6 ... Bluetooth WIFI, and earphone can be built in;The operating page can be stretched;Abundant teaching resources -- the software of IP ...