Built-in antenna for fast screen sharing The product has a built-in antenna design and supports 2.4G/5G networks. You can quickly share the screen with the other party through a simple connection. Multiple screen projection modes: push/same screen/computer mode Push mode: After pushing the movie to the big screen, the mobile phone can switch apps, chat games are not affected, and the screen can be turned off to watch . Same screen mode: Synchronize the mobile phone screen to the large-screen display device, suitable for large-screen games, conferences and offices, etc. Computer mode: Supports mobile phone computer mode, Dex, Hammer TNT and other mobile phone desktop expansion systems. 4K visual feast, support 4K high-definition picture quality, audio and video synchronous transmission, immerse in the big screen vision, come to a real high-definition visual feast Color: As Shown Material: ABS Package Contents: 1 * screen sharing device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.