Nokia 5800 Navigation Quad-band Cell Phone - Unlocked Form - Classic with full touch user interface Display - 3.2 size, resolution 640x360 pixels (nHD) Aspect ratio 16 - 9 Automatic orientation sensor (Accelerometer) for display rotation Stylus, plectrum and finger touch support for text input and user interface control (alphanumeric keypad, full and mini qwerty keyboard, handwriting recognition, full screen handwriting for Chinese language)