Details: *Networkfrequency:GSM900/1800MHZ *Phone Type: True Dual-SIM(SIM-Cards Working Simultaneously)DAUL CARDS AND WORK AT SAME TIME FUNCTION *1.8inch screen *3D dimensional sound ,super big bugle *1.3 mega pixel digital camera *Language:Chinese, English, Russian, French, Thai, Spanish, Arabic, Malaysian *MP3/MP4 player *super slim design *External card slot available *stand by time:about 120-150 hours,call time:about 2-3 hours *64-chord polyphonic ring-tones *video and andio recording *support STK .WAP,GSM data,GPRS service. *support T-FLASH card and USB * largess 128M TF card *various of innervation games *5 colors for your selection *voltage:3.7v,maximum charging voltage:4.2v *support calender,to do list,alarm,calculator,units converter,currency converter,world clock,health,flashlight.