4Important Safety InformationPower Management (Performance)Battery Type Capacity Standby Time Talk TimeStandardLithium-Ion (Li-ion) 1000 mAh Up to 250 hours Up to 3 hoursOperating Frequencyx GSM/GPRS/EDGE 850/900/1800/1900 MHz, UMTS/HSDPA 850/1900 MHz networks inNorth America, South America, Europe, Africa, and Asia-Pacific where these networks aresupported.x Automatic band switching.