... 512 MBOperating system: Google Android 2.2 OSBuilt-in memory: EMMC, 4 GBExternal memory: TF card expansionsensorGravity ... , ebook readingOnline: the Internet browsing, hd video, online music, reading online, maps, real-time communication, network toolsBluetooth: call, ... be equipped with stereo bluetooth headsetGame: built-in Flash games, online applicationBusiness: Office, word/excel/PPT file format ...