This is a card holder and a power bank as well. A sleek card holder that holds around 10 business cards can fit in easily into pockets or purses and comes in brown and black colors. Other than all these utilities of a card holder, it is a power bank. The capacity is 5000 mAh, the battery is lithium polymer of a good quality and the device is compatible with MP3 players and smart phones. The card holder has a professional look and a great finish as well.
So you can just slide in your business cards and carry your power bank along.