Introduction - If you have any usage issues, please Google them yourself
In some modern commercial negotiation, PPT teaching demo, etc, will use the projector to do presentation to match the content of the speech to improve the effectiveness of speech, but due to the speaker for the page to switch to beside the computer, there is a big limitation, greatly affect the exchange and interaction of the speaker and the listener. In order to make the speaker can better communicate with the audience, and make the speech more vivid, so the laser wireless controller arises at the historic moment. The product through the computer's wireless control can bring great convenience to the speaker, especially the college teachers and enterprise and the company's product demonstration, this product gives the speaker a broader space. Through the use of this product, we can realize the interaction between the speaker and the audience, and improve the efficiency of the company in the school.