Detailed Product Description FrequencyGSM900/DCS1800MhzTypeOne sim cardDisplay1.5inch 260K colors screenSpeakerone speakerMain functionDial(IP dial),short message,phone book capacity300BatteryLi-ion 500mAh batteryStandby time3-6 daysTalk time3-5 hoursAdditional functionCalendar,schedule,Alarm,calculater,stroe message,world clock,world time,exchange rate calculater,keypad lock,low battery warning, ...