... Multi-media functionsMain functions Dual sim dual standby,FM Music play mp3 at background,support equalizer,bluetooth stereo,speed/pause ... Video 3GP,MP4,AVI,play in full screen,pause/speed E-book txt FM ... 4GBTF ca Expansion Bluetooth files transmission,Bluetooth earphone(voice),Bluetooth music(stereo) Data transfers data wire,cardreader,bluetooth Image format ...