Olatec 19h25 Ultra-thin Credit-card Style Portable Lithium-polymer Power Bank Pack Universal Backup External Battery Charger for Most Micro-usb Enabled Devices w/ Built in Micro-usb Cable, Special Converter for Iphone 5/5s Included New Ultra-thin (6.6mm) fashionable design and easy to carry, ultra-thin frame, one of the thinnest power bank in the world! you can put it in your wallet like a credit card! Charge the Power Bank for about 1.5 hours and you've got the peace of mind knowing your devices will not be dead when you need them.Simply attach your device's compatible USB charging cable to the Power Bank and make your mobile phone or media player come back to life. Built in 2000mAh high quality Li-polymer Rechargeable battery cell to extend the life time. Great for emergencies, traveling, outages, and many other situations, easy to use, quick to charge Built in Micro-USB cable and LED light, special converter for iPhone 5/5S included.