... External memory type : TF card, Maximum support to 32GB6. ... X/Y/Z direction13. External buttons: Power On-Off, Volume +, Volume -; Back , Home, Menu(touch).14. Camera ... function : 0.3MP Front + 1.3~8.0MP Rear15. Interface : Charging port, Ear jack, Micro USB, micro SD ... Video format : 1080P decoding, Support MP4, AVI, RM, RMVB, MKV, ... with 3 G voice call function, blue tooth , GPS, dual camera , and ...