InVion GPS-3V106-IUS GPS Receiver/MP3/MP4 3.5-Inch Touchscreen InVion GPS-3V106-IUS GPS Receiver/MP3/MP4 w/3.5-inch Touchscreen General Features: GPS Receiver Integrated MP3/MP4 Player 3.5-inch Touchscreen (320 x 240) Route calculation within seconds High quality 2D/3D maps with display of street names QuickNav button for travel to a predetermined address Address input via a full-size keyboard optimized for finger input