7.0 Inch TFT Touch-screen Car GPS Navigator with Free 4gb Tf Card, Support Av in Port, Touch Pen, Voice Broadcast, Fm Transmitter, Bluetooth Function, Built-in Speaker, Resolutions: 800 X 480(black) Operating system: Microsoft Windows CE 5.0 7 inch TFT LCD display with resolution of 800*480 pixels Hi-Fi stereo earphone and built-in Hi-Fi speaker, volume adjustable Button and touch-screen operation Built-in sensitive GPS antenna