I've bought this EasyCast OTA 2.4G WiFi Display Dongle - 2.4G WIFI BLACK from gearbest.com
It is working nicely, and I recommend.
To stream youtube and pics/vids use your phone's casting app, or use this to share and then play with DLNA or other ways:
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I've bought on gearbest, and it is working fiiine:
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