Attached strap is the Micro and regular USB cord. Input: 5V/.55A , Output: 5V/1A. Aluminum Exterior, UL certified Lithium battery. Complies with Prop 65, UL, UN38.3. 4.25" L x 1.5" W x 0.375" H. Price includes a Laser Engraved Logo. Imprint area is 2.25" W x 1.0" H on Either Side (laser). Call for multi-colour or multi-location imprints or for rush delivery availability.