... Atom N455 1.66GHz,+ Chipset: Intel NM10 Express chipset;2.Operation System.: support Windows 7,3.Display & VGA: ... Audio support 2.1 channel output, And Built-in 2 stereo Speakers.9.I/O Ports: 2*USB 2.0 host,One ... once,auto rotate; press twice,disable rotate);G,USB wifi&bluetooth on/off switch.10.Power: 3cell ... 3000mah LION battery,work about 2-3hour battery life,AC 110~240V, DC 19V ...