Give those tech-savvy customers and supporters a branded way to keep all of their favorite electronic devices charged up and ready for action with this pocket-sized Powerbank. This 3 5/8″ W x 7/8″ H x 7/8″ D metal and aluminum charger packs a big 2200mAh in potential power. The rectangular design features USB and MicroUSB slots and a charging cable. Choose from four bold colors and add your school, sports team, organizational or company logo, emblem or message to customize.