Adaptive fast charging rapidly charges your Nokia X20 and is able to charge up to 4X faster than conventional 2.0 micro-usb charging, you'll spend less time charging in your car and less time worrying that your Nokia is running out of battery. Dual USB port output adapter together with supplied type-c cable offers a total of 3.1A. Easy-to-use compact design lets you carry the accessory anywhere, even in your pocket or store in small spaces in the vehicle and also allows to pull out the charger from car cigarette lighter 12V power outlet more easy. If you have USB port in your car, thats even better as you can use the adapter separable to charge other device. Cable length supplied: 1 metre.