Micro USB Cable Credit Card Sized

Always have a cable on you.

ChargeCard is your Micro USB cable, now the shape of a credit card. It’s designed to fit into your wallet so you’ll always have a USB cable on you. Use ChargeCard to charge your smartphone from any USB port.

Samsung Galaxy, HTC, Nexus, Windows Phone, BlackBerry, Lumia, LG, many more
Source Link: http://www.hellonomad.com/products/chargecard-micro-usb