3.5 inch GPS Navigator+PMP: USB1.1 Technical Specifications Samsung S3C 2440 processor (400Mhz) 3.5inch,320*240 full TFT colour LCD touch screen Operating temperature:-10 to +55c USB port and cable for pc connection Internal rechargeable LI-Ion battery Integrated GPS receiver based on super sensitivity 20 Channel ALL-in-view tracking Support :MP4,MP3 Weight:160g