... 5.0 64M SDRAM,128M flash, wifi,bluetooth,RS232+USB GPS, GPRS, 6-8hour Battery 1.CPU: ARM S3C2442,400HMZ2.Support: windows ... *earphone jack,1*mic jack, 9.built-in GPRS module (optional),10.SIRFIII GPS is optional,11. Build-in 5000mAH lithium-poly ...