... ) Microphone jack (5) LAN Ports8-pin RJ-45 LAN port, support the use of a standard Ethernet cable to connect to ... hand, increase typing comfort.5.Touch pad and the left and right buttonsTouch screen and button functions include positioning,selection,drag,click(left ... &Touch pad: Built-in touch panel, Lef Key, Right Key, and support USB port mouse USB Port: 3 x USB 2.0 ...