CPU:(1)ARM9 300/400MHZ(2)SamgSung S3C2440A FLASH(NAND):32/64/128/256/512MB/1GB Touch Screen:Supported USB:USB Client1.1,Full speed,Mini Slot,without power supply function UART:3.3V TTL UART for GPS Module SD:SD/Multimedia Card Slot Navigation Software:Third Party supported Audio Player:WMA9,MP3 upto 320kbps and WAV Photo Viewer:JPG,GIF,BMP and PNG Ebook Reader:TXT Dimension(mm):L95*W80*H21.5