Portable Charger with Built in Cables: High speed 5V 2A max output, the built in two cables with one USB port allows for charging your compatible iPhone and Android phone devices simultaneously without any extra charging cables. Credit Card Size: It is the slimmest and the smallest of portable chargers with cables, only 0.27lb(122g) and its body like a credit card. The lightweight design lets you take it out without pressure. It's slim enough to put it in your pocket or in your handbag.