Regarding future iPhones and the potential of a different connector, we have indeed seen the rumors and we're eagerly awaiting to develop for the future connector once Apple releases its specifications. For now though, ours works on the over 200 million iPhones sold to date, including the many hundreds of millions of iPods (and let's not forget iPads, too!).
No. ChargeCard is a USB cable. This is how we're able to make it so thin and portable. Luckily, USB ports are everywhere so you'll always have somewhere to plugin when you've got a charger that stows so easily in your wallet, purse or pocket.
Sorry to tell all you LifeProof case users out there that you'll have to remove it before using ChargeCard. This is because the LifeProof case extends too far below the end of the phone thus blocking the sides of ChargeCard. From what we understand, this is an issue for many other iPhone accessories, too.