External dimension: 3.5cm*2.0cm*1.4cm(L*W*H) Charging Input: AC110-220V50/60Hz Charging Output: DC5.0V 300-500mA Battery: 3.7V 400mAh Li-ion battery Stand-by time: 12 days. Working time: 4-6 days Expansion card: mini TF card Video: 320*240 Photo size: 640*480 Calling time: 150-180 min Network type: GSM/GPRS Storage temperature: -40°C to +85°C Work temperature: -20°C to +55°C Humidity range 5%--95% non-condensing Basic parameters: Frequency band GSM850/900/1800/1900MHZ Supported countries: China， Britain， France， Germany， Netherlands， Italy， Spain， Brazil， Portugal， Denmark， Russia， Poland， Turkey， Hungary， Thailand， Greece， Indonesia， Malaysia， Vietnam， Myanmar， Pakistan， Iraq， Saudi Arabia， USA， Kazakhstan， Mongolia， etc. Package/List of Accessories 1 x Android MMS GPS Locator 1 x USB charging cable 1 x User manualWarning: SIM card must be inserted when charging.