... journeySpecification: Battery TypeBrand-new Li-polymer BatteryCapacityReal 6000mAhInputDC 5.0V, 1A & 5.0v,2.1AOutputDC 5.0V, 1ADimension127*75*14 mmOperating ... , MP5, e-books, GPS, walkie-talkie.4. Standard USB interface output, be compatible with all USB charging device The package include ...