Vdink interactive whiteboard touch screen electronic whiteboard with pen

In the traditional teaching mode of “blackboard + chalk”, teachers sometimes need to write a series of long formulas for a long time to draw graphics or images. With interactive whiteboard to assist teaching, teachers can save on drawing and wiping off the ink board. Time, spend more time and energy to teach more content, enrich the interactive whiteboard in the classroom, and increase the density of classroom information.