... effect)Sound SystemAudio build-in 2.0w stereo sperkersI/O Ports1 USB2.0 ports (OTG ... EmailsSupported Office SoftwareWORD, EXCEL, POWERPOINT, PDF, TXTRecordingSupport MP3,WAV formatsPhoto ReviewSupport JPG,BMP,PNG,GIF photo formats ... and slide show functions.Audio PlayerSupported formats: MP3,WMA,MP2,OGG,AAC,M4A,MA4,FLAC,APE ... adapter AC100-240V 50-60Hz 9V 1.5A1 earphone(optional)Dimension(W*D*H)180× 118× ...