Exquisite style with fashionable leather feeling design， smart size and easy to hand in Smart output can automatically adjust current by your smart phone need Smart digital circuit system with MCU Protection against short-circuit， over-charging and over-discharging  Digital capacity indicator to show exact active power percent Quick recharge speed: 2.1 A input Input: 5V DC， 2.1A Output: 5V DC， 2.1A Real capacity: 6000mAh * 1 cell (Li-polymer) Size: 12.5 * 70 * 132mm Weight: 165g