It's more convenient to communicate with the deaf and dumb after Airsun has written the light board!
时间：2017-07-27 点击量：2357
Although sign language is very convenient, there are many people who can't understand it. Writing is the most direct way to communicate with people. There are people in need carries a light tablet not because people cannot read the sign language and confound when you need to write, do not panic looking for pen and paper, hurry to see each other directly above the writing content with the finger row, don't worry about the other person will not understand the meaning of their own.
