The Roseland Stylish Aluminum Slim Power Bank, UL certified high capacity aluminum slim power bank provides a 4000mAh battery for quick and powerful charging. Safe to take on flights so you never have to be without a charge. *QuickShip in-hand delivery within 7 business days *FREE 1 side high- res full-color UV imprint using the industry's best decoration technology *Compact design is made of sleek aluminum * Includes a micro USB charging cable and a user's guide *Standard white box OPTION: from LA. Specifications: UL certified battery Power output: 5V/1A Power input: 5V/1A Capacity?4000mAh