... -in 3G(optional),Wifi,Capacitive Multi-Touch Screen,Atom N455,120GB HD,1GB RAM,Win 7 OS ... Listing Description: 1. Aluminum alloy housing 2. X86 Atom tablet PC 3. Capacitive Multi-Touch screen tablet ... Operating system Windows 7 Home Premium 32bit Processor Intel® Atom Processor N455 1.66GHz (512K L2 Cache, FSB ... kgPower 11.1V, 3 Cell, 3100mAH Lithium- Polymer, Life time up to 4 hours, external 39.9W AC ...