... the time depends on storage Rom: support to extend TF card to 4G maximally, Document management Ringtone: 72 chord; Ringtone ... play mp3 at background;support equalizer,bluetooth stereo output,lyric show Video: 3GP,MP4,support to play in full screen, ... MMS,Memory extended,Coming call firewall,dual sim dual standby dual bluetooth,incoming call show,incoming call inquiring,calculator,unit converter, ...