... or the palm of your hand, increase typing comfort.5.Touch pad and the left and right buttonsTouch screen and button ... HDD(standard; Optional up to 16GB) LCD Screen: 7" digital panel, 800*480 pixels LAN: 10/100M Ethernet Access WiFi: Yes ... Keyboard: Standard Enlish 84 key, support external keyboard Mouse&Touch pad: Built-in touch panel, Lef Key, Right Key, and support USB port ...