Bluetooth 2.1, build-in 3G(optional),Wifi,Capacitive Multi-Touch Screen,Atom N455,16GB SSD,1GB RAM,Win 7 OS ... 3)WiFi Bluetooth 4)3-cell battery 10.1 inch tablet PC, Epda, Notepad WiFi & Bluetooth Battery: 2200MAH battery CPU Support ... up to 2GB Display Panel size 10.1" LED Multi-touch panel 1366X768 pixel Graphic Graphic Controller UMA of Integrated Graphics ...