TAMO Ultra Small Portable Charge Card 800mAh for Phone Battery Recharger All-In-One - Retail Packaging - Blue Extremely thin, light-weight, and extra compact design for ease of storage during everyday travel. Utilizes A-grade Lithium Polymer Batteries (Charging time approximately 1-2 hours) Input: Micro USB 5V / 1A Output: Micro USB 5V / 1A Capacity: 800mAh Stealth Engineered Built-in Micro-USB cable Dimensions: 6.2 x 4.9 x 0.6 inches ; 1.6 ounces