This power bank with a 1,200 mAh rechargeable lithium-ion battery, provides power to charge smartphones, MP3 players and many other devices. It also features a key ring for easy carrying. Includes a USB to Micro USB charging cable. Input 5V/1A, output 5V/1A. 0.81" H x 1.18" W x 3.56" L. Imprint area is 0.38" H x 2.50" L and includes a 1 Colour Imprint on 1 Location. Packaging: Bulk. Please call for rush delivery availability or multi-colour/multi-location imprints.