Supports Mirror & Extend Mode: The display port to HDMI adapter supports mirror and extend dual mode. under mirror mode, you can watch movies or play games on a big screen; under extend mode, you can work and play at the same time with 2 screens showing different content.
Portable and Lightweight: Can carry it with your small bags or pockets.
When yourproduct not working, what should you do?
Please make sure the direction first,this adapter ONLY stream signals from Displayport source devices (like laptop,PC) to HDMI monitors, displays or projectors.
If you want to get 4K resolution, makesure both your computer and HDMI monitor supports 4K resolution firstly, andchoose a reputable HDMI cable. Make sure connection stable and securely. If youprobably could not find a better HDMI cable, just feel free to settings andlower down the resolutions. (Such as 1920*1080P)
If you get a flicker or black screen,please go to your laptops' official website and update the BIOS and Graphicscard driver, then restart to try again. if possible you could also try anotherHDMI cable to confirm if the problem lies in the HDMI cable.
Note that this adapter can work withgraphics supporting DP++ function, if your graphics card does not support DP++function, you probably need an active adapter.