... .2 Sound SystemAudio build-in stereo sperkersG-sensorBuitl-in G-sensor Languagecustomerized language acceptablePhoto ReviewJPG,BMP,GIF formats, support rotating and ... : MP3,WMA,3GP,WAV,E-BookSupport bookmark,background music and photo displayI/O PortsUSB ports1headphones jack1DC Jack1HDMI Jack1Micro SD card slot ...