... navigation map 3.Built in 3G 4. 7.0 inch Portable GPS Features of X7** 7 inch HD screen, resolution 800 * 480 ... TF card (upto 32GB) Operating System Windows CE 6.0 GPS module Built in UBLOX 5 G591C GPS global satellite positioning module Positioning ... * 480 Battery 1200mAh rechargeable polymer lithium-ion batteriy Basic functions GPS navigation, audio player, video player, E-book, electronic photo ...