... play, dual-speaker stereo output Video playback 3GP, MP4, AVI Txt e-books can be downloaded a large number of ... mp3, midi Speaker pairs of speakers Other features MP3 function, MP4 functions, speakerphone, Short Message, recording function, WAP function, radio ... , Bluetooth, GPRS download, MMS MMS, memory expansion, e-book, IP call, calendar, to-do, alarm clock , calculator, ...