Imprint Method: Digital Inkjet, Product Color: Black (BK), Imprint Method: Digital Inkjet, Product Color: White (WH) - The Slim Ion 2,500 mAh Power Bank features a sleek, slim, credit card-sized design that can go anywhere you do. With a 2,500 mAh/9.25Wh Lithium Polymer battery and a 5V/1A output, you can charge any smartphone at the same rate as a wall charger. Includes a USB-to-Micro-USB connecting cable which can charge the battery backup or other devices with a Micro-USB input, like Android smartphones from Samsung®, Motorola®, HTC®, Nokia®, and others. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Please charge the power bank before initial use.