... OS3.7" 16:9 Touch screen WVGA Display, 800*480 pixels4. Low Power DDR SDRAM memory 64M, nandflash 128M, 5. built-in Bluetooth ... , 6.WIFI 802.11b/g for Wireless Internet Access7.with TF card reader (support max 4GB ... /O: 2*USB Host,1*RS232 port,1*earphone jack,1*mic jack, 9.built-in GPRS module (optional),10.SIRFIII GPS is optional ...