00:45 10 touch points,high touch precision and good stability,Anti-light, dustproof, waterproof, anti-riot, scratch resistant。
00:37 Anti-light, dustproof, waterproof, anti-riot, scratch resistant and long service life.High touch precision ,support 10 touch points.
03:00 01:43 Electronic whiteboard, intelligent teaching, protect students' eyes, parents rest assured.