Connectors type: 1 x VGA (standard display signal interface used for the projector); 4 x USB (Standard USB2.0 interface device used to pick up a variety of extension); 1 x HDMI (Standard HDMI video signal interface used as a TV set); 2 x Audio (Standard 3.5 audio interface laptop used for connect the headset speakers etc); 1 x RJ45 (Standard network signal interface used to connect a router etc); 1 x SD (standard card reader interface); 1 x 1394 (394 fire small mouth notebook is such a small mouth connecting the DV camera); 2 x ESATA & USB COMBO (Hookup with USB dual function interface); Suitable for universal Tablet PC.