... scree, then using earphone. Video, 5 hours, E-book is about 7 hoursE-book pages: 5000 timesCharge ... and with earphone)about 15hrs video about 5hrs E-book--about 7hrsMode of Operation mechanical key / touch ... screenSpeaker: Built in E-BOOKANSI, UNICODE TXT,PDF,HTML, FB2,PDB, EPUB ... 3GP,FLV,MP4,DAT,VOB,MPG,MPEG,MKV(1080p), MOV Bit Rate Music MP3 : 8Kbps ~ 320 Kbps, WMA : ...