Car holder for smartphone Air vent is a very universal device that allows you to keep your phone in a stable position, so you can focus on your car trip in 100%. The product is easy to install and does not take up the space. Car holder for smartphone Air vent provides stable position of you mobile device, so the road trip is even more comfortable, and using your phone - much easier. The product is easy to install and does not take up the space in a car - all you have to do is put in on the air vent.