The Martin Dual Port Car Charger is an adapter that has dual ports and a LED ring that that illuminates while plugged into the accessory power outlet to charge personal devices. It's compatible with smartphones and personal devices that provide a USB cable for charging (including iPad and tablet devices). Input 12-24 Volts. Two USB Ports (5V1 Amp 2.1 Amp), Max Output 2.1 Amp. A USB cable is not included. iPad is a trademark of Apple Computer, Inc.