Display:3.5 inch,high resolution TFT LCD,Touch Screen,64K Colors,320*240 pixels CPU:SAMSUNG ARM9 2440A 400MHzGPS Module:Sirf Star III,20 GPS Stars/Channels ,fast localization Operating System:Microsoft Built-in FLASH:64MB Built-in SDRAM:64MB USB interface,high speed SD/MMC Card Expasion Slot:up to 4GB Video Player:WMV9,Divx 5.0,4.0,3.11,Xvid and MPEG2 upto 320*240 solutions Audio Player:WMA9,MP3 up to 320kbps and WAV Picture viewer:BMP,JPEG,GIF,TIF Ebook Reader:TXT FM transmitter Speaker:Built-In Antenna: Built-in,high sensitivity receiver antenna Battery:Built-in rechargeable Li-ion battery, 1350mAH,up to 6 hours AC Adapter: 220VAC to 5VDC, universal AC/DC adapter Car Adapter:12VDC to 5VDC, 2A