2200MAH POWER BANK. INPUT 5V. 1A, OUTPUT USB 1"=5V 1A. PLASTIC EXTERIOR. 1 MICRO USB IN PORT. 1 REGULAR USB OUT PORT. UN BUTTON LED INDICATOR LIGHT. COMES WITH A MICRO USB TO REGULAR USB CABLE. MADE WITH A UL CERTIFIED LI-ION BATTERY. 2.2 OZ. COMPLIES WITH UL. 3" L X 1 1/8" W X 7/8" H