Built-in Switch-tip Cable Design: The built-in cable features a switch-tip design with Micro USB and Lightning connectors that eliminate the need for additional cables, giving you incredible portability. High Energy Li-Polymer Battery: The external battery charger uses top quality Lithium-polymer battery and premium microchips, which includes 7 layers of smart safety protection. Noticeable Thinner & Palm Size: Hold the power bank in one hand with ease while you talk, text, play games, or listen to music. Fit Charge Technology: Smart charging circuitry always provides your device with the perfect amount of power for a safe and quick charge. Package Contents: ROMOSS 5000mAh Portable Charger, User Manual, 18-Month Warranty. Warm tip: Please see image 7 which will show you how to find the lightning adapter.