Coolreall 5,000 mAh Portable Power Bank - Black Portable and easy to take - 0.38*5*2.5 inches, the best choice for your on the way Detects your device to deliver its fastest possible charge speed up to 1 amp Add two and a half charges to an iPhone 5s, almost two full or more charge to a Galaxy S5 or two full charges to most other phones Compatible with Most popular smart phones & tablets from Apple, Samsung, Google, HTC, Nokia, LG and so on Built-in Kindly face indicator, easy to know the remaining capacity