This is a 30W 3.0 Quick Charger with two ports for charging. This will charge any IOS or Android phone with the correct USB cable compatible with your device. It can also charge your tablets, headphones, and cameras. It's simple to use. Just plug it into the power port in your vehicle then plug the USB end into the charger and lastly plug the other end into your device.
Both ports are different. This has one 3.0 quick charge port which has Output of 18W, Up To 3A. When you want to charge something fast this is the port to use. It also has a second port which has an output of 12W, 5V=2.4Amp. You can charge two devices at the same time. It has an LED light that lights up when plugged into the power port. This allows you to see it after dark and lets you know it's working. If your looking for a simple dual quick charge car charger this is it.