Features3d active shutter glasses for viewing 3d images and 3d visions from dlp link 3d projectorscompatible with most of the brands for sharplgbenqdell etcdeliver true 3d experience enjoy 3d videos at home experience the fantastic visual feasts just like in the cinemahigh speed response liquid crystal lenses prevent from eye strainlong viewing distance up to 10 metersframe made from pc soft and durablepowered by button battery long standby timeone single button auto sync ea