Tellur Power Bank Super Slim Line 5000mAh, 2in1 (Micro USB & Lightning) The built-in Micro USB cable features a switch-tip design with Lightning adapter that eliminate the need for additional cables, giving you incredible portability - Classic and Elegant Design with high-quality PU leather - It sits unnoticed in your palm, pocket or ready to give your phone a boost whenever it's running low - Built-in Protective circuits to avoid over-charging, over-discharging, over-loading, short circuit