Power Tube 2200’s body uses the same sort of hyper-saturated, metallic anodized aluminum that was found in Apple’s iPod nano series up until the polished fifth-generation models came out; you’re given a choice of eight different colors that aren’t apparently designed to match older Apple tones, but look enough like them. Each Power Tube ships with a set of two cables and eleven charging tips for iPods, iPhones, competing cell…