Miracast Dongle is a generic dongle which can be used to screen mirroring from your smartphone to your led/lcd tv. This is a best dongle for screen mirroring as you can cast thop tv from your phone to tv with an ease without any issues. If you have a standard Smartphone with HD display then it would work perfectly fine.
Requirements are : TV- your tv must have a HDMI port + USB port inbuilt. Your Smartphone must have screen mirroring / screen cast / cast/ smart mirroring / wireless display option for casting.
Disclaimer : Some applications does not allow screen casting like Amazon prime, Hotstar, Netflix etc premium app so please do not buy is you would like to use these for casting purpose.
Best for students as you can see the documents in big screen like tv or projectors. You can also use casting from the laptop to tv or projector for office purpose or presentations.