GRAND power bank is a well-designed product with a large capacity of 12,000 mAh which does not require any additional accessories. A built-in cable has both a USB plug which allows charging the power bank as well as a micro USB to charge mobile devices. Additionally in the housing there is a adapter to charge iPhones or iPads. High intensity of input and output allows quick charging. The housing is made of a high quality material which is very similar to PVC leather. The product is compliant with relevant directives of the European Union, it has the CE mark and 1-year warranty. Technical data: - input: 5 V / 2 A (USB plug - output: 5 V / 2.1 A (micro USB plug / iPhone) - battery capacity: 12,000 mAh.