Optoma BI-EXTGB, Wireless VGA Dongle for TX542, TX612 & TX615

This device would seem to work with straight up text, however my presentations usually have either video in the background or a video itself and this really can't do that at all. Choppy is not even the right word for it. So I'm returning it.

CE PRODUIT EST TRÈS INTÉRESSANT POUR CONNECTER QUATRE PC PORTABLE A LA FOIS ET FACILE POUR L'INSTALLATION.A UTILISER POUR LES DIAPOS, IMAGES ET PHOTOS.

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