... /off: Support auto power on and offAlarm clock: 5 groups, support mp3 ringtone, support snooze ... World Clock,SpotwatchOther Functions:Handsfree, bluetooth, e-book, calendar, to do list, timer, health, calculator, unit converter, stop watch, world time ... , dual SIM dual standbyBasic technical parametersNetwork: GSM900/1800 MHZSIZE(L*W*H): 122*53*20mmBATTERY: Lithium battery 1200 mAhSTANDBY TIME ...