Interface type: VGA interface * 1 (standard display signal interface, used for the projector)

USB interface * 4 (standard USB2.0 interface, used to connect a variety of extended equipment)

HDMI * 1 (standard HDMI video signal interface, used as a TV)

AUDIO * 2 (standard 3.5 AUDIO interface, laptop used for connecting the headphones, speakers, etc.)

RJ45 * 1 (standard network signal interface, used to connect to the router, etc.)

SD * 1 (standard card reader interface)

1394 * 1 (1394 live line of small mouth, the notebook is such a small mouth, connect DV camera)

Hookup & amp; USB COMBO * 2 (hookup with USB seal)