... mp3 and backend playback, support equalizer, and support for bluetooth (mono) stereo output5) movie playback 3GP, MP4, 3GP/MP4 ... expanding TF card8) data transmission U disk/cable/bluetooth file transfer, bluetooth, bluetooth stereo output speech9) JPG, GIF image format ... , message group, recording function, WAP function,Handwritten input, bluetooth, GPRS download, MMS MMS, memory expansion, e-books, ...