... high speedOptical Drive:No,optionalNetwork Adapter:10/100 Mb/sWiFi Wireless function:Yes,802.11b/g,54Mb/sWeb Camera:Inbuild 1 ... ,300,000 pixels cameraCard reader:No,optionalKeyboard and Mouse:Wireless keyboard and optical mouseAudio:Inbuild 5.1 sound systemSpeaker:Inbuild 8ohm 2W ... :Input AC 100-240V~50/60HzAccessories:1*power cable+1*wireless keyboard&optical mouseWeight:NW 8.2 kg;GW 9.2 kgCarton ...