This power bank with built-in Lightning cable is designed for fast charging and easy carrying. It's extremely convenient that don't have to take an additional Lighting cable with you. This unit is MFi Certified by Apple Inc. and adopts original charging module for safe charging and high compatibility. The built-in Lightning cable is easy to manage and remove. The built-in magnet makes sure that the Lightning cable sits snugly in its groove. A graduated hive pattern surface design provides an extremely comfortable touch and effectively prevents the charger from sliding out of the user's hand and picking up scratches.