samsung 400mhz cpu, 7inch touch screen,wince 5.0 64M SDRAM,128M flash, wifi,bluetooth,RS232+USB GPS, GPRS, 6-8hour Battery 1.CPU ... : ARM SAMSUNG-S3C2442,400HMZ2.Support: windows CE 5.0 OS3.7" 16:9 Touch screen WVGA ... *mic jack, 9.built-in GPRS module (optional),10.SIRFIII GPS is optional,11. Build-in 5000mAH lithium-poly battery,work ...