... RF wireless ,for video call,Mid tablet, tv box, tv dongle,PC,smart TVWireless(RF 2.4G)connection,smart ... Multi-media Entertainment at homeTo enjoy Android TV BOX and Smart TV convenient& efficient for Conference,Presentation& lecturingTo ... share large TV and projector screenSpecification· 2.4GHz transceiver, ... ,for video call,Mid tablet, tv box, tv dongle,PC,smart ...