... TV, the whiteboard, the projector, audio system... The Touchable LED TV mainly applies to teaching ... touch, All in one pc tv monitor.All-in-one smart tv wall mounting touch advertising kiosk.HDMI -High-Definition Multimedia ... The board has shock and vibration resistance function with solid-state, and the operation is ... write, move, rotate, zoom in/out object and shift page, etc. with your finger instead ...