... avaliable for you to choose: (specially for pico projector)a. board 301: Multimedia I/O: HDMI in, USB2.0, SD card, A/V in, VGA ... .board 302: Android 2.1OS with WIFI I/O: VGA, USB2.0 input, AV in, Micro TF slot ,Audio outputvideo compatibility: Video ... battery lifeProjector Sample: Avaliablec.board 303: Wince 6.0 OS with WIFI I/O: USB2.0, A/V in, VGA, Audio outvideo compatibility: RM ...