Descriptions:<br />Color: gold， silver， black， blue， rose red(optional)<br />Material: alloy shell + circuit board<br />Battery capacity: support 8000-10000mAh polymer core (without batteries)<br />Output interface: double USB<br />Output voltage: DC5V /2.1A /1A<br />Product size: 153*76*9.9mm<br /><br />Packing include:<br />1 x mobile power charging mobile power supply