3.5 inch TFT color touch screen Processor: Samsung S3C2440A-40(400Mhz) SiRF-3 GPS high quality module Operating System: Microsoft 4.2 Built-in satellite antenna Support MP4, ASF, WMV, AVI format Support MP3,WMA, WMV format Support JPG, PNG, BMP pictures browsing Built-in dual stereo speaker, MIC Built-out earphone Support SD/MMC card Changable Li-ion battery Present car bracket