... with built-in media player Mini Projector Key Features:1. Portable Presentation Projector for Business & school: ... Internal Memory with build-in TF card reader. upto 8GB Mini Projector Specification:Brightness: 12 LumensResolution: 640 X 480(VGA)Screen ... (1W)Battery: 1700mah, 3.7VDimensions (WxHxL): 123x67.5x25 mmWeight: 165g Mini Projector Certificates:CE,FCC,RoHS.