... function, set explicit / discrete graphics intelligent switchingInterface, two USB 3.0, USB2.0, VGA, HDMI, the audio input and ... multi-cardreaderColor GreyOperating system pre-installed Linux operating systemThe camera built-in high sensitive cameraShipped to remind branch contract ... deliveryMouse intelligent touchpad, with left and right buttonsWeight 2.3Kg 15.6 INCH I7 4GB RAM 500GB HDD, DVDRW ,USB ...