The 2 usb sockets provided are rated at 1a for conventional smartphones ipod and blackberry etc with the 2 4a socket suitable for tablets such as ipad ipad mini kindle fire fits ipad ipad mini iphone ipod android smartphones from htc samsung motorola lg kindle nook and most other e readers the dr6001a is perfect for charging your phone and tablet simultaneously includes uk eu us au plugs perfect for iphone 5 ipad the perfect charger for worldwide travel dual usb charging po