21.5" all in one pc , ultrathin 10mm only, powered by intel i3 i5 i7 CPU,more details pls contact with me driectCooler:smart speed contorl according temperture, long life for cooler,no noiseHeatsink:special designed thermal cooper tube ,low temperturebrightness:2 keys to adjust the brighnessAdaptor:Certified ,DC 19V 4.74A 90W Motherboard:square layout , good design , low temperture , easy assamblyLed panel support independent power switch , 1920x1080 dpiCase:10mm only,ultrathin,real thinnest in ChinaSpeaker:3D stereo surround sound , 3W output,good bass