the hot selling 5"GPS navigation with FM radio,128MB RAM, 4GB ROM,MTK solution.have mp3/mp4 function,and Ebook ... definition touch screen* DDR 2(RAM) - 128M* Flash Memory(ROM)-4GB* External - Micro SD Card( support 2GB,4GB,8GB,16GB) * Battery Life ... the hot selling 5"GPS navigation with FM radio,128MB RAM, 4GB ROM,MTK solution