1. word, excel 2. wifi, 3g 3. dvd, gps, bluetooth, touch screen, ipod, rearview etc ... by customer.GPS Voice reminding priority function, supporting 3D mapSupport WIFI,3G networkingVolume of each function can be independently controlled and ... memory of double SD,USBNetwork and application program extension: Support WIFI,3G,Bluetooth(optional) and WORD,EXCEL,PDF reading as well ...