Still containing a 2,200mAh battery, the new Gum has a 1-Amp output that allows it to charge either an iPhone or an iPod at full speed, up from the iPod-specific 500mA found on its predecessor. It’s bundled with a Micro-USB cable and an adapter that looks a lot like Apple’s own iPhone Micro USB Adapter, letting the same cord connect to itself, a USB port, and Apple’s devices. Simply plug the cord’s small end into Gum’s…