The Mobilize Car Charger Dual USB is a robust car charger with two USB ports, allowing you to charge multiple devices simultaneously. A Lightning cable of approximately 1 meter in length is included with the Dual Car Charger. Additionally, you can use your own USB cable to charge a tablet, a navigation system, or another smartphone. Simply plug a cable into both USB ports and connect it to the desired devices; the charging process will start automatically. The two ports have a combined maximum output of 2.4 A. During the charging process, a ring lights up to indicate that the charger is in operation.