... MicrophoneExpansion Card Slot: Support Micro SD / T-Flash up to 8GB.MP3 Player: Support MP3, AMR, Midi, Wma.MP4 Player: Support 3GP, MP4 ... .Ring tone: 64 Polyphonic Ring tones ; Ring tone format: MP3, MIDI, AMRPicture Viewer: Support JPG, JPEG, GIFMassage: Support SMS, ... Usb data transfer and Usb charging .Other Functions:3D Sounds, MP3, MP4, Hands free,Incoming call vibra, SMS group sending, ...