... for pico projector)a. board 301: Multimedia I/O: HDMI in, USB2.0, SD card, A/V in, VGA ... battery lifeProjector Sample: Avaliableb.board 302: Android 2.1OS with WIFI I/O: VGA, USB2.0 input, AV in, ... lifeProjector Sample: Avaliablec.board 303: Wince 6.0 OS with WIFI I/O: USB2.0, A/V in, VGA, ... Sample: Avaliabled. board 304: Accessory projector I/O: HDMI in,A/V in, VGA, Audio outvideo compatibility: No ...