Cell Phone Car Mount, LionRoar Tech Universal Air Vent Smartphone Holder, for Cell Phones up to 6.3 inches (iPhone, Samsung Galaxy, and more!) LionRoar Tech Car Air Vent Smartphone Holder is easy to install and position. Compatible with all smartphones from 4.3 to 6.3 inches in height. Mount may be adjusted using one hand. 360 degrees of rotation is possible. Non-slip feet and rubberized finish for a steady hold.