... 2.so easy for carrying, Specifications:Details: Capacity2000mah~12000mAh/3.7V(lithium polymer battery)input voltage5.5V>=0.5V; ... *10MMCharging timeabout 1-2 hoursOutput powercharging from AC,USB connector on computerCycle lifeover 500timescolorwhite , black,blue,red etc Packaging & ... color box, metal box, wooden box ,paper boxDelivery Detail:approx 3-5 daysShipping Terms: FEDEX, UPS, DHL, EMS ,TNT via ...