How can I use the mobile phone image projection

Some netizens commented : “it’s not very useful to project a mobile phone’s mirror image. In the mirror mode, the mobile phone screen must be on and no one is watching it.” So is it true that the mobile phone image projection screen is not useful, as the netizen said?

1. Useful when the video app does not support DLNA screen projection
Now some TV platforms support TV (DLNA) programs that need video app support. When TV programs do not support DLNA projection, we need mobile phone image projection to view the film.

2. We also have to use the mirror projection screen in the meeting
In the scene of business meeting room and multimedia teaching, most of the content of the user’s mobile phone screen projection is their own PPT, presentation, teaching copy and so on. Therefore, in the business meeting room and multimedia classroom, the mirror projection of wireless display is the mainstream.

Comments: mobile phone mirror projection is still useful in general video entertainment, but the reason why users are reluctant to use wireless projector is that professional wireless projector is expensive, and those who think that mobile phone mirror projection is of great use are basically enterprise users and teachers of multimedia teaching.

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