Plug and power Just plug the AmazonBasics 2-port USB car charger into your vehicle’s cigarette lighter socket and connect up to two USB devices at once. The AmazonBasics car charger is not compatible with the Nexus 7 tablet. Intelligent charging Intelligent IC chip monitors charging to direct the power to the device that needs it most. The charger will provide 2.1 amps maximum total output. With maximum output of 2.1 amps, two devices plugged simultaneously receive approximately 1.0 amps each. Convenience on the go Compact charger can travel with you daily to be ready whenever you need to power your devices. LED charging indicator LED lights when connected. Amazon Frustration-Free Packaging This AmazonBasics product features Amazon Frustration-Free Packaging that is recyclable. It comes without excess packaging materials such as hard plastic clamshell casings, plastic bindings, or wire ties. The packaging is designed to be opened without the use of a box cutter or knife, and it will protect your product just as well as traditional packaging. Products with Amazon Frustration-Free Packaging can frequently be shipped in their own boxes, without an additional shipping box, saving on resources and reducing waste.