... 11.System: Android 2.3.4 OS 12.Internet Access: Wifi: Built-in Wifi IEEE 802.11b/g/ ... Browse: JPG, BMP, PNG, GIF, etc. 20.OFFICE: Word, Excel, PPT, PDF, etc. 21.Battery: built in 3000 mAh/ ... Accessories: Charger,earphone(MIC), USB cable, user manual and gift box. 26.OEM Items: Trademark(LOGO), device ... levels of customization based on the real situation and if you have other special requirement for OEM ...