806 Mhz PXA320 Processor, Microsoft® Windows Mobile® 6.5.3, Multiple languages, 256 MB RAM, 4 GB Flash Storage, SD/SDHC slot, user accessible, Active viewing area: 5.7" (145 mm) color VGA LCD (640 x 480), High visibility backlit LCD, Portrait or landscape orientation, Operates for up to 16 hours on one charge, Bluetooth® wireless technology, 2.0, Wi-Fi 802.11b/g, Quad-band 3G GSM/GPRS/EDGE,Weight: 1.9 lbs (862 g) with one battery, 2.2 lbs (998 g) with two batteries