... 1.Electronic book 2.Most convenient reader 3.Multi-function music reader 4.Large memory 5.ABS Plastic Electronic bookProduct Name:E-book ... pictures by 0,90,270 degrees.browse history Functions:E-book reader, bookmark, Enlarge font, calender,date,time.Automatically ... longest playing time:28 hours for audio output,6-7 hours for video output,12hours for e-book reader,about3500pages. Languages supported: ...