Plug and play, no network required - Quick screen mirroring, wireless connectivity, 5G wireless transmission Fast speed/long distance/low latency - The 5G transmission protocol provides more stable signals and is easy to operate. Playing games/watching videos does not cause delays in the process. No wiring, unrestricted - Abandoning the drawbacks of wiring/wireless transmission/time-saving and labor-saving. Comes with an transmitter, plug and play without the need for driver installation, making meetings more efficient. Screen casting+expansion mode. Multiple connection options - In screen mirroring mode, the laptop's small screen becomes larger, displaying the same image with clearer details. In expansion mode, the small screen and large screen display different images, and office/entertainment do not interfere with each other. Efficient and fast office work - Wireless projection of laptop screen to monitor/projector. Easy file/PPT submission, faster work reporting. Colour:Grey Material:Plastic Package Contents: 1 * Video Audio Transmitter 1 * Receiver 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.