欧美午夜伦理_曰本人做爰大片免费观看一老师_一级黄免费看_日本一二区不卡_九色视频网站入口_日韩毛毛片

●

Intelligent blackboard AG glass

Chalk writing, water proof, safety and protection of students nuanced audio-visual integration, wisdom; teaching; anti glare technology, green eye: high light filtering technology, effective filtering of 80% harmful light, protect eyesight; anti glare technology, the light reflection process, prevent reflection; visual angle of 178 degrees, do not affect the outside of the two row the students watched; 20 nano touch, meet people at the same time interaction; multiple dimensions, multi scene application:

●

Intelligent blackboard AG glass

The picture has a good definition and can work perfectly in the sun! Simple operation: no need of computer knowledge; fluent writing pen with manual, written at random, smooth strokes; interactive display: annotation commenting freely in the courseware exchange; courseware courseware can be rich: PPT, PDF, word etc.. Touch without delay, easy to achieve handwritten characters, graphics, filling and other functions! Anti glare glass effect awesome!

●

AG glass for conference machine

The company uses high quality AG glass, and close cooperation with the conference machine manufacturers, to meet its full fitting technology AG glass, delicate and smooth, whiteboard pen easy to write, easy to wipe, multi-functional applications, show clear handwriting, wear resistance, corrosion resistance, soft tone, stylish and beautiful! In any angle can be normal viewing, visual effect is very good, effectively protect the user's visual health!