HP Pavilion 2311gt 23 inch 3D-Screen LED-lit Monitor Box includes two pairs of 3D glasses. Our Film Patterned Retarder (FPR) technology makes viewing 3D content and transforming your own 2D media to 3D easy on the eyes. FPR is flicker free, has improved brightness for a clear image, and displays 3D images viewable with lightweight, passive 3D glasses. 3D enabling software, CyberLink PowerDVD Premium, with innovative 2D to 3D real-time conversion technology, sample 3D photos, plus two pair of lightweight, passive 3D glasses are included to get you started. Give old memories new life. Watch your familys face light up as your favorite family photos fly across the screen in dazzling 3D. Bring 3D hits from the box office to your monitor with a few clicks of the mouse. Rediscover all your 2D favorites or screen precious home movies in brilliant 3D.