Power up your next promotional campaign in no time by handing out the Rockette power bank during the next event. Measuring 3 5/8″ W x 7/8″ H x 7/8″ D and available in many colors, this tube-shaped product features 2200 mAh of power and is convenient for changing cellphones, tablets and other devices. It comes with a USB power cable and can be customized with an imprint of your company logo and message for maximum brand exposure.