The cards, which are apparently already in use in the U.S., have a built-in battery that’s good for about 4 years of regular use, but if you spend too much time showing it off to friends, it will automatically let the bank or credit provider know the batteries are low and the card needs to be replaced. The company also had a few other cards on display that are still ‘coming soon’ like the Dynamic Credit Card pictured above which has a small e-ink display for displaying a unique security code that has to be entered at the time of every purchase.
Johny (John-Erik) Krahbichler is the CEO and main author of Gadgetzz, since 2009. While Mr. Krahbichler's expertise is in consumer electronics, his true passion is science´, and educating the world about the universe we inhabit. Check out the non-profit Scientific Literacy Matters Currently Johny is using his experience from covering trade shows such as the CES, to work with trade show exhibition marketing.