La description

    GSM/GPRS **0/**0/***0/***0MHzï¼›
    Large LCD: single color **8**4 matrix , 2.8inchs;
    SIM: Single SIM card or Dual SIM card (optional) ; 1.8V/3.0V;
    Antenna: combo,  SMA  or  TNC (optional);
    USB 1.1 for download and data;
    Support Bluetooth V2.1 (optional) ; FM (optional);
    Friendly GUI , multi-language supported;
    Support Voice service, Call history, Phone book, SMS, Data service, Other Application and Safety setting;
    Supplementary services : caller ID display, call forwarding, call waiting, call hold, call barring and three-way calling (depending on the network);
    Long talk time: 4hours (depending on the network); 
Long standby time: **0hours (depending on the network);
    Adaptor:  AC ******5V ; DC 5V/1A;
    Working environment :
Working temperature: **0℃ to  **5℃           Working humidity:  5%  to  *5%
Storage temperature: **0℃ to  **0℃