OS: Microsoft Windows CE (Net 5.0 Core version). 400 MHz Samsung Processor. SD Card slot expansion, up to 4GB. Battery: 2200 mAh, (6 hours working time). 4.3" 65000-color TFT LCD with touchscreen 480 x 272 pixels (WQVGA). SiRF starIII chip. Memory: 128MB Flash ROM, 64 SDRAM. Bluetooth 2.0 Handsfree. MP3/Video player, Photo Viewer, Supports Light sensor, Optional TMC module. Included accessories: AC Adapter; Car kit (Holder & pedestal/car charger),